Answers
In the diagram below, the place where the concentration of oxygen and carbon dioxide are highest outside the cell and inside the cell respectively.
2. Where the concentration of oxygen and carbon dioxide are lowest are highest inside the cell and outside the cell respectively.
3. The movement of the different substances is shown in the attached diagram.
What is diffusion?The net movement of anything, typically from a place of higher concentration to a region of lower concentration, is known as diffusion.
In a given cell, the direction of movement of molecules is from regions of higher concentration to regions of lower concentration.
In a microbe, the concentration of oxygen is higher outside the cell and lower inside the cell. Hence, oxygen moves by diffusion into the cell.
Also, the concentration of carbon dioxide is lower outside the cell and higher inside the cell. Hence, carbon dioxide moves by diffusion out of the cell.
Learn more about diffusion at: https://brainly.com/question/7161064
#SPJ1
Related Questions
histone methyltransferases are a class of enzymes that methylate certain amino acid sequences in histone proteins. a research team found that transcription of gene rr decreases when histone methyltransferase activity is inhibited. which scientific claim is most consistent with these findings? responses dnadna methylation inhibits transcription of gene rr. d n a methylation inhibits transcription of gene r . histone modifications of genes are usually not reversible. histone modifications of genes are usually not reversible. histone methylation condenses the chromatin at gene rr so transcription factors cannot bind to dnadna. histone methylation condenses the chromatin at gene r so transcription factors cannot bind to d n a . histone methylation opens up chromatin at gene rr so transcription factors can bind to dnadna more easily.
Answers
Histone methylation allows transcription factors to bind to DNADNA more readily at gene RR by opening up the chromatin there.
By activating or preventing the transcriptional potential of genomic regions, the combinatorial pattern of DNA and histone modifications acts as an epigenetic "code" that shapes gene-expression patterns. Histone alterations, notably the presence of H3K9 methylation and the absence of histone H3 lysine 4 methylation (H3K4me0), are linked to DNA methylation. Three protein domains—ATRX-Dnmt3-Dnmt3L [ADD], Cys-X-X-Cys [CXXC], and the methyl-CpG-binding domain [MBD]—as well as the functional consequences of their domain design are the main topics of this article. These processes in mammalian cells link histone methylation and DNA methylation. The H3K4me0-interacting ADD domain of the DNA methyltransferase DNMT3a and its accessory protein DNMT3L connects the DNA methylation process with unmodified H3K4. The CpG-interacting CXXC domain of the H3K4 methyltransferase MLL1 may connect the H3K4 methylation response to unmethylated DNA.
Learn more about DNA here-
https://brainly.com/question/264225
#SPJ4
Which substances leave the blood by diffusing directly through the plasma membrane of endothelial cells? a. Оxigenb. Sterold hormones c. Carbon dioxide d. Electrolytes Large e. Proteins f. Glucose
Answers
Carbon dioxide, Oxygen and Steroid hormones leave the blood by diffusing directly through the plasma membrane of endothelial cells.
We now move on to tissues generated from mesoderm, which is a precursor to ectoderm and endoderm in the embryo. Between the ectoderm and endoderm, this layer of cells in the center develops and diversifies to perform a variety of supportive tasks. The body's connective tissues, blood cells, and blood vessels are all derived from it, along with muscle, kidney, and a wide variety of other organs and cell types. Blood vessels are where we start.
Blood is essential for the survival of nearly all tissues, and the blood vessels' linings, or endothelial cells, are what allow for the blood supply. Endothelial cells are incredibly flexible and can change their size and configuration to meet local needs. By expanding through cell migration into practically every area of the body, they build a flexible life-support system. It would be impossible for tissues to develop or mend if endothelial cells weren't extending and remodelling the blood vessel network. An increase in interest in endothelial cell biology has resulted from the fact that cancerous tissue is just as reliant on a blood supply as normal tissue.
To know more about endothelial cells click here:
https://brainly.com/question/16680767
#SPJ4
Coat color in mice is incompletely dominant. Yellow (Y) and white (W) -colored mice are homozygous, while cream-colored mice are heterozygous (W). If two cream-colored mice mate, what percentage of each phenotype can we expect of their offspring? Show the Punnett Square.
Answers
The percentage of each phenotype can we expect of their offspring is
WC = Cream colored = 50%
WW = White = 25%
YY = Yellow = 25%
The punnett square is somewhat like this:
W Y
W WW WY
Y WY YY
What is a punnett square?
The Punnett square is described as a square diagram that is used to predict the genotypes of a particular cross or breeding experiment.
Referring back to the yellow and white mice being homozygous (two of the same traits) we can gather from the punnett square the ratios for both.
Because it is incomplete dominance we know that all the traits are of course dominant.
Learn more about the punnett square at: https://brainly.com/question/3522181
#SPJ1
A woman is homozygous dominant for short fingers (SS). She marries a man who is heterozygous for short fingers (Ss). Will any of their children have long fingers (ss)
Answers
genetic diversity is required for natural selection to act on, but natural selection can reduce, or eliminate this genetic diversity. what process can restore genetic diversity to a population?
Answers
Genetic diversity is required for natural selection to act on, but natural selection can reduce, or eliminate this genetic diversity. The process that can restore genetic diversity to a population is gene flow.
Gene flow - also named migration - is any movement of individuals, and/or the genetic material they take, from one population to another. Gene flow incorporates lots of various kinds of events, such as pollen being blown to an unknown destination or people shifting to new cities or countries. If genetic variants are carried to a population where they previously did not exist, gene flow can be an important source of genetic variation.
To learn more about gene flow visit here:
https://brainly.com/question/12564073
#SPJ4
in your opinion, which would be a better tree to represent the evolutionary relationship of microorganisms, the phylogenetic tree or the flow chart (tree). explain why?
Answers
A phylogenetic tree is better to represent evolutionary relationships of microorganisms.
A phylogenetic tree is a diagram that represents the evolutionary relationships among different groups of microorganisms based on their genetic and morphological similarities. The branches of the tree depict the relationships among different lineages, and the tips of the branches represent the most recent common ancestors. In contrast, a flow chart or a tree is a diagram that shows the process or relationships in a linear or hierarchical manner. Flow charts are better suited to represent processes or functions, but not evolutionary relationships. This type of tree is useful in understanding the evolutionary history of different microorganisms and how they are related to each other. In conclusion, the phylogenetic tree is the preferred method to represent the evolutionary relationships of microorganisms as it offers a more comprehensive picture of the evolutionary history and relationships among the different microorganisms.
Learn more about phylogenetic tree here:
https://brainly.com/question/2189834
#SPJ4
What conclusions can you make from the above amino acid information?what animals are related more?
Answers
From the given amino acid information, it can be concluded that animals that share more amino acids in their proteins are more likely to be closely related.
What is amino acids?Amino acids are organic compounds that serve as the building blocks of proteins. They are made up of an amine group (NH2) attached to a carboxyl group (COOH). Amino acids play a critical role in the human body by being involved in many processes such as metabolism, cell signaling, and transport of molecules between cells. They are also essential for the production of enzymes, hormones, and other proteins. Amino acids are classified as either essential or nonessential.
or example, mammals and birds share more than 80% of their amino acid sequences, indicating that they are closely related. Insects, on the other hand, share only around 70% of their amino acid sequences with mammals and birds, indicating that they are more distantly related.
To learn more about amino acids
https://brainly.com/question/3535479
#SPJ1
1.What does Endocrine System your do? (Include the major organs in your organ system and explain what they do)
2. How does your organ system work with other systems to help you survive?
3. What are some disorders that could happen with your organ system (these can be rare or common placed occurances and are not limited to just genetic disorders for example the bubonic plague affect the lymphatic system or pneumonia affects the respiratory system) and how do we treat them?
please make it long its about the Endocrine System
Answers
Hormones in the endocrine system govern a wide range of vital body functions, including growth and development, metabolism, and reproduction.
Which of the following are the three basic endocrine organs?Several glands comprise the endocrine system. The hypothalamus, pituitary gland, and pineal gland are all located in your brain. In the neck are the thyroid and parathyroid glands. The thymus gland is placed between your lungs, the adrenal glands are on top of your kidneys, and the pancreas is behind your stomach.
The endocrine system is made up of many glands. In the human brain are the hypothalamus, pituitary, and pineal glands. The thyroid and parathyroid glands are found in the neck. The pancreas lies behind the stomach, while the adrenals are on top of the kidneys.
Learn more about Endocrine System
https://brainly.com/question/26146223
#SPJ1
what are the steps in embryonic development of the brain of a verterbrate( consider proper terminology, timeline, what becomes pns and cns)
Answers
The neurulation process, which results in the formation of the neural tube, which will eventually give rise to the central nervous system, causes the neural folds to curve upward and unite. The neural crest, which is also produced by the neural plate, develops into the bulk of PNS and ANS cells when its cells move to different parts of the body.
The majority of the central nervous system (CNS), which is a part of the nervous system, is made up of the brain and spinal cord. All multicellular creatures, with the exception of sponges and diploblasts, have bilaterally symmetric and triploblastic bodies, and the brain regulates and controls the activity of each of these bodies while integrating the information it has been given. It is a structure made of nerve tissue that runs the length of the body from the rostral (the nose end) to the caudal (the bottom end) (the tail end). There may be more brain tissue towards the rostral end. Only arthropods, cephalopods, and vertebrates possess true brains (precursor structures exist in onychophorans, gastropods and lancelets).
To learn more about central nervous system click on the given link: brainly.com/question/29974261
#SPJ4
The biological species concept is inadequate for grouping. A) plants. B) parasites. C) asexual organisms. D) animals that migrate. E) sympatric populations.
Answers
The biological species concept is inadequate for Asexual organisms. Hence, Option C is correct answer.
Asexual reproduction is a type of reproduction where the progeny of a single organism only have the genes of the parent from whence they derived. It excludes the joining of gametes. Binary fission, budding, vegetal reproductive, spore formation (sporogenesis), fragmentation, parthenogenesis, and apomixis are the several asexual reproduction methods.
Asexual reproduction is a method used by bacteria, archaea, many plants, fungi, and some mammals. Planarians, several annelid worms, especially polychaetes and some oligochaetes, turbellarians, and sea stars are instances of animals that reproduce asexually.
Many plants and fungi produce offspring. Specific plants, like liverworts, have gemmae, which are specialised structures for fragmentation-based reproduction.
Learn more about the Asexual here: https://brainly.com/question/12027168
#SPJ4
What is the DNA shape called?
Answers
The most prevalent kind of DNA has been shown as a twisted ladder by scientists and artists. Scientists refer to it as a double helix.
The most prevalent kind of DNA has been shown as a twisted ladder by scientists and artists. Scientists refer to it as a double helix. DNA may fold and twist into a variety of increasingly complicated structures. Because of its coiled form, it is quite tiny. Given its small size, it might very easily fit within any of our cells. This is a pretty amazing achievement when you realize that one cell's DNA would unfold to a length of six feet (almost two meters). DNA is not merely a database. The information molecule is DNA. It offers the information necessary to create proteins, another type of significant molecule. These instructions are dispersed throughout 46 large structures called chromosomes found in each of your cells. The DNA of these chromosomes is made up of many smaller genes. The instructions required to put together complete proteins, protein fragments, or a variety of proteins are encoded in each gene.
To learn more about DNA please click on the given link: https://brainly.com/question/14414216
#SPJ4
to change a lipid into a glycolipid, what structure needs to be added?
Answers
To change a lipid into a glycolipid, a carbohydrate is the structure that needs to be added. Glycolipids are a type of lipid that contains a carbohydrate group attached to their hydrophilic head.
This carbohydrate group is typically composed of one or more sugar residues, which are attached to the lipid portion of the molecule via a glycosidic bond. The addition of this sugar group to the lipid molecule changes its overall properties and can affect its solubility, interactions with other molecules, and biological functions. Glycolipids are found in cell membranes and are involved in a variety of important cellular processes, including cell recognition and signalling. Glycolipids play important roles in cell recognition, cell signalling, and host-pathogen interactions. For example, gangliosides are a type of acidic glycolipid that are abundant in nerve cells and are involved in the transmission of nerve impulses. Another example is the ABO blood group antigens, which are glycolipids that determine an individual's blood type and are involved in immune recognition and compatibility.
To learn more about glycolipids, click here https://brainly.com/question/26458922
#SPJ4
the trait represented in the following pedigree is expressed only in the males of the family. is the trait y linked? why or why not? if you believe that the trait is not y linked, propose an alternative explanation for its inheritance.
Answers
The trait shown in the pedigree below is only expressed in the family's male members and is not Y linked.
Even though only the males in the family exhibit the trait represented in the pedigree, it is not Y linked because the requirement for Y linked inheritance is that the affected male always has the father and can only have the son. Sons of another affected male are unaffected.
The 4th individual male of the second generation in the pedigree below is unaffected despite having an affected father, and the 6th and 7th individuals are affected but their father is unaffected.
As a result, the trait does not meet the requirements for Y linked inheritance and is not Y linked inheritance.
The characteristic is not X linked because it does not follow the rules of criss-cross inheritance, nor is it autosomal dominant since it does not meet the rules of male to male, female to female, female to male, and male to female inheritance in autosomal dominant inheritance.
The characteristic is inherited autosomally recessively. However, because the females in this lineage are carriers, the trait exclusively manifests in males and not females. One mutant gene may be present in the parents of the afflicted person. The fifth and sixth married pair in a lineage had afflicted sons in the second generation, making the fifth and sixth person heterozygous. The folks that are impacted have homozygous condition.
To learn more about inheritance click here:
https://brainly.com/question/14594146
#SPJ4
The above question is incomplete. Check complete question below -
The trait represented in the following pedigree is expressed only in the males of the family. is the trait y linked? why or why not? if you believe that the trait is not y linked, propose an alternative explanation for its inheritance. ( for reference please see the picture below)
A. it is Y linked inheritance
B. It is not Y linked inheritance
C, It is X linked inheritance
D. It is autosomal inheritance
What is a major difference between the domains bacteria and Archaea?
Answers
Cell wall composition is a key distinction between the domains of bacteria and archaea because it has an impact on a variety of biological features, including their capacity to endure in various settings and conditions.
In contrast to Archaea, which often have cell walls formed of various substances like pseudo peptidoglycan, polysaccharides, or protein, bacteria normally have cell walls made of peptidoglycan, an amino acid and sugar polymer. This distinction in cell wall composition is significant because it may have an impact on how well bacteria and archaea survive in various settings and environmental conditions. For instance, some peptidoglycan-targeting medicines work well against bacteria but not against Archaea. In addition, the lipid membranes of Archaea have a different chemical makeup from those of bacteria and are sometimes more tolerant to tough circumstances.
To learn more about cell, click here: -
brainly.com/question/30046049
#SPJ4
what is the sexual phenotype of a drosophila that has xxxy sex chromosomes and is diploid for its autosomes?
Answers
Fruit fly female sexual phenotype with two sets of autosomes and XXYYY sex chromosomes.
We can infer from the reasoning above that a fruit fly with two sets of autosomes and XXYYY sex chromosomes is sexually phenotypically feminine. Option "C" is the right response, making it. Note: The Y chromosome specifies the male in humans. Males are denoted by XY, while females are symbolized by XX. Which intimate relations pattern of translation will be started depends on the balance between male- and female-determining factors stored on the autosomal chromosomes and the X chromosome. As a result, whereas XY & XO flies are males, XX, XXY, & XXYY flies were females.
Learn more about chromosome
https://brainly.com/question/1596925
#SPJ4
What level of protein structure describes the spatial location of every atom in a protein? Choose one: O A. 4
O B. 2
O C. 1
O D. 3
Answers
The correct option is D; 3 , The relative spatial position of each atom in a protein is described by tertiary structure (3°).
The amino acid sequence (1°) determines it. A protein's full structure may be characterized at four different degrees of complexity: primary, secondary, tertiary, and quaternary. Protein structure is classified into four levels: primary, secondary, tertiary, and quaternary, which are defined by the degree of complexity in the polypeptide chain.
Tertiary structure is the degree of protein structure reached when a whole polypeptide chain has folded into a three-dimensional structure. Individual chains in multi-chain proteins are referred to as having tertiary structure.
Learn more about protein structure
https://brainly.com/question/14652022
#SPJ4
Of the three factors that contribute to blood pressure, which do short-term regulation hormones control?
Answers
Answer:
Renin, Angiotensin, and Aldosterone.
Explanation:
These hormones regulate the size of the arteries as well as the amount of water and salt that leaves the body. Therefore, the three hormones involved in blood pressure regulation are renin, angiotensin, and aldosterone.
Which event does NOT happen during ventricular diastole?
Answers
Throughout ventricular diastole, the second heartbeat is NOT audible. The greatest option in this situation is D.
Diastole is the time between the myocardium's inability to shorten and contract and its recovery from rest. Relaxation is brought on by a variety of energetically taxing processes, such as calcium release from troponin C, dissociation of the action-myosin cross-bridge, phosphorylation of phospholamban, calcium sequestration into the sarcoplasmic reticulum by the sarcoplasmic reticulum calcium ATPase, sodium/calcium exchanger-induced calcium extrusion from the cytoplasm, and extension of the 23-27. There must be enough energy available and the ability to replenish it for the process to run at a rate and scale that are both adequate. 24-27 Active ventricular relaxation is regulated by the speed and regularity of these cellular activities.
The complete question is:
Which event does NOT happen during ventricular diastole?
(A). Blood is pushed into the ventricles by the contracting atria.
(B). Atrioventricular valves close because of the contracting ventricles.
(C). Blood flows from the atria into the ventricles.
(D). The second sound of the heart is heard.
To learn more about ventricular diastole please click on the given link: https://brainly.com/question/902007
#SPJ4
Different types of cells can have certain organelles and structures in common. Which types of cells definitely contain cell walls?
A. plant and animal cells
B. plant and eukaryotic cells
C. plant and prokaryotic cells
D. animal and eukaryotic cells
Answers
C) plant and prokaryotic cells, these are the types of cells definitely contain cell walls.prokaryotic and plant cell both have cell wall, the main role of cell wall include, which is to provide overall strength to the cell and also helps maintain the cell shape, thereby helping the cell to grow, reproduce, obtain nutrients.
The function in cell wall in plant is to protect the organelle against the harsh environment plus also helps in protecting the cell against physical damage and invading pathogens. and is made of cellulose and for bacteria is to protect it from osmotic lysis and is made of peptidoglycan.
cell wall also help in maintaining cell’s shape, protects the cell interior, and prevents the cell from bursting when it takes up water
To know more about prokaryotic,
https://brainly.com/question/29119623
#SPJ4
which is one reason scientists produce transgenic organisms? A. to treat certain types of diseases. B. to create new species of organisms. C. to create new habitats for endangered species.
Answers
Option A is correct. One reason why scientists create transgenic organisms is to treat certain types of diseases.
What are transgenic mean?Transgenic refers to an organism or cell whose genome has been artificially altered by the introduction of one or more exogenous DNA sequences from another species. There are many examples of transgenic organisms such as: Insect resistant corn. BT cotton. glow fish.
What are transgenic organisms used for?Transgenic organisms are created in the laboratory for research purposes. Transgenic organisms are important research tools and are often used to study gene function. Transgenesis is also related to the medical practice of gene therapy, which introduces DNA into a patient's cells to treat disease. Transgenic organisms are widespread in agriculture.
To learn more about transgenic organisms visit:
https://brainly.com/question/4372248
#SPJ4
in flies, small wings are recessive to normal wings. if a cross between two flies produces 8 small-wing offspring and 28 normal-wing offspring, what are the most likely genotypes of the parents? (use s to represent the normal-wing allele and s to represent the short-wing allele.)
Answers
Ss and Ss are the parents' most likely genotypes. This would result in roughly a threefold increase in the number of small wing flies.
In flies, small (s) wings are recessive to normal (S) wings. Thus, normal wings can be inherited as SS or Ss, while small wings will be inherited as ss in the recessive condition.
A cross between two individuals will result in roughly three times as many small wings as the recessive allele that causes them.
two flies with heterozygosity
Ss x Ss
SS Ss Ss
3/4 1/4
Ss and Ss are the parents' most likely genotypes. This would result in roughly a threefold increase in the number of small wing flies.
Both 3/4 of 34 and 1/4 of 34 will roughly equal 26 and 8, respectively.
Learn more about “ genotypes ” visit here;
https://brainly.com/question/15883880
#SPJ4
What are the individual units of DNA called?
Answers
The individual units of DNA are called nucleotides.
Nucleotides are the building blocks of DNA, which is a complex molecule that carries genetic information in all living organisms. Each nucleotide consists of a sugar molecule, a phosphate group, and a nitrogenous base. There are four different types of nitrogenous bases in DNA: adenine (A), thymine (T), guanine (G), and cytosine (C). The sequence of these bases along the DNA molecule determines the genetic code that is passed on from one generation to the next.
The sugar molecule in DNA is deoxyribose, while in RNA it is ribose. The phosphate group is a molecule containing phosphorus and oxygen atoms, and it is attached to the sugar molecule. The nitrogenous base is a molecule that contains nitrogen and other elements, and it is also attached to the sugar molecule.
Learn more about nucleotides here:
https://brainly.com/question/30299889
#SPJ4
Crossing over occurs during which phase of meiosis?
(a) Interphase
(b) Telophase I
(c) Metphase II
(d) Prophase I
.
Answers
(d) Prophase I is the phase of the meiosis in which the crossing over of the chromosomes takes place.
Meiosis is a type of cell reproduction or division that occurs in the germ cells of the body. This division occurs in two phases; meiosis I and II. At the end of the division, it produces four daughter cells. This division helps to maintain the genetic variation among organisms.
Option (a) interphase is incorrect because the chromatin network appears in this stage.
Option (b) telophase I is incorrect because chromosomes reach poles of the cell in this stage.
Option (c) metaphase II is incorrect because it shows an arrangement of chromosomes on the equator
Prophase I is the phase of the meiosis in which the crossing over of the chromosomes takes place. It occurs in the pachytene stage of prophase I. The homologous chromosomes' non-sister chromatids exhibit an exchange of segments, and this process is called crossing over.
Thus, the correct option is (d).
Learn more about meiosis here:
https://brainly.com/question/11622266
#SPJ4
why are archaea considered a monophyletic group according to the three-domain hypothesis?
a. Because this group includes all organisms except eukaryotes
b. Because this group evolved after the origin bacteria
c. Because this group includos an ancestral population and all of its descendants
d. Because all members of this group lack membrane-bound organelles
Answers
Archaea is considered a monophyletic category under the three-domain theory since it consists of an ancestral population and all of its progeny.
The several recognised phyla of these bacteria are further divided, and they lack cell nuclei. Although having a visual resemblance to bacteria, they have a closer relationship with eukaryotes. They are also well equipped to thrive in challenging conditions.
Archaea, bacteria, and eukaryotes are the three domains of the three-domain system, a biological taxonomy that classifies cellular life forms. The fundamental difference between this classification and other ones like the two-empire system and the five-kingdom classification is the separation of archaea from bacteria as a completely different organism.
Learn more about Archaea here:
https://brainly.com/question/1475001
#SPJ4
1.what observations led mendel to conclude that traits were inherited as discrete particles from each parent?
Answers
The observations that led Mendel to conclude that traits were inherited as discrete particles from each parent are, that trait were inherited as dominant and recessive, which led him to propose the conclusion that they were particles inherited from each parent.
Mendel did studies on inherited genes that lead him to accept some traits were dominant and recessive. Through this, he found that some genes had ratios of being generated, relating to the maternal and paternal traits they have.
This observation states that traits are inherited as dominant and recessive, and not all blended, which made him to propose the conclusion that they were particles inherited from each parent.
As per Mendelian inheritance, all the traits which are present in an offspring are determined by the specific which exist in alternate forms called as alleles.
To learn more about Mendels law,
brainly.com/question/30528385
#SPJ4
The separation of the Archaebacteria into a separate domain indicates
A. That these organisms are very different from eubacteria and from eukaryotes.
B. That organisms should never be classified according to how they appear (morphological characteristics).
C. That early taxonomist rushed to classify them without closely examining them.
D. That optical viewing techniques have greatly improved so that we can better view these microorganisms.
E. None of the above.
Answers
The separation of the Archaebacteria into a separate domain indicates that these organisms are very different from eubacteria and from eukaryotes.
Single-celled organisms make up the realm of Archaea. These microbes are prokaryotes since they do not have cell nuclei. In the Archaebacteria kingdom, archaea were formerly categorized as bacteria, hence the name archaebacteria. However, this term is no longer used.
The differences between archaeal cells and the bacteria and eukaryotes are due to their special characteristics. Multiple recognised phyla are used to further categorise archaea. Classification is challenging because the majority have not been isolated in a lab and have only been found in ambient samples using their gene sequences. The ability of them to create endospores is uncertain.
To know more about Archaebacteria click here:
https://brainly.com/question/2598723
#SPJ4
describe the short-term regulation of blood pressure. include sensor, control center, effectors and the actions of effectors to return blood pressure to homeostasis
Answers
Baroreceptors are sensors found in blood vessels that alert the brain when blood pressure is too high or low.
The heart, blood vessels, and kidneys are then informed by the hypothalamus, acting as effectors in the control of blood pressure. Thus, in the regulation of blood pressure, homeostasis tends to stabilize the blood pressure, keeping it at a constant resting condition. For instance, a person's heart rate will rise during exercise, raising blood pressure. The brain's temperature regulation center serves as the stimulus, while nerve cells with ends in the epidermis and brain serve as the sensors, controls, and effectors. The stimulus occurs when the body temperature rises above 37 degrees Celsius.
Learn more about blood pressure
https://brainly.com/question/12497098
#SPJ4
He largest flower in the world, called a rafflesia, is three feet wide and weighs up to 36 pounds. The rafflesia has no roots, stems, or leaves. It lives on and takes nourishment from a vine called tetrastigma. The rafflesia harms the vine. The seeds of the rafflesia are dispersed in an unusual way. Plantain squirrels and tree shrews eat parts of the rafflesia plant. Scientists observe that when the animals chew the rafflesia, seeds get caught in their teeth. The animals will then chew on tetrastigma vines, leaving the seeds where they can germinate. Specialized cells in the rafflesia flower undergo a process that produces gametes. What is this process called?
Group of answer choices
fertilization
Answers
Specialized cells in the rafflesia flower undergo a process that produces gametes is called meiosis.
Meiosis is a type of cell division that occurs during sexual reproduction and lowers the amount of chromosomes in gametes (the sex cells, or egg and sperm). Having two sets of chromosomes, body (or somatic) cells in humans are diploid (one from each parent). A single pair of chromosomes, or haploid, must be present in the egg and sperm that combine during fertilization in order to retain this state. Each diploid cell divides twice during meiosis to produce four haploid daughter cells, or gametes, that are diploid in the beginning.
To know more about meiosis click here:
https://brainly.com/question/7002092
#SPJ4
Specialized cells in the rafflesia flowers undergo a process that produces gametes. What is this process called?
if two people with normal color vison have two sons one with color clindness, what percentage will the daughter normal vision
Answers
if two people with normal color vison have two sons one with color blindness, XbX (daughter who is a carrier but has normal vision), XX (daughter with normal vision who is not a carrier).
If a couple with one colorblind son and one with normal eyesight has daughters, none of the daughters will be colorblind. To have a colorblind daughter, she must inherit the colorblind gene from both her mother and father. This implies that her father is colorblind and her mother is either colorblind or a carrier for the gene. Because both parents have normal eyesight, we know that the father does not carry a colour blindness gene, hence they cannot create colour blind daughters.
The colour blindness gene is found on the X chromosome, which is a sex chromosome. Females have XX chromosomes, while males have XY.
Crossing a woman with normal vision but is a colour blindness carrier (XbX) with a man with normal vision (XY), we can see that the possible genotypes are XbX (daughter who is a carrier but has normal vision), XX (daughter with normal vision who is not a carrier), XbY (son who is colour blind), and XY (son with normal vision).
To learn more about colour blindness Please click on the given link:
https://brainly.com/question/13079417
#SPJ4
Complete Question is:
Two people with normal vision have two sons; one is color-blind and one has normal vision. If the couple also has daughters, what proportion of them will have normal vision? Explain.
bones are classified by whether they are weight bearing or protective in function. true/false
Answers
Answer:
true
I hope it helps....
