Answer:mutations in the body cells, not on sex cells
Explanation:
harvesting healthy organs and tissues from a person who has just died to transplant them into a living person who needs them is known as
Harvesting healthy organs and tissues from a person who has just died to transplant them into a living person who needs them is known as Organ donation.
What are tissues?Your body is made up of cells, and when groups of cells perform the same function they are called tissues. There are following four main types of tissues: Connective tissue, epithelial tissue, muscle tissue, nerve tissue. Connective tissue connects bones and cushion organs. Epithelial tissue undertakes the outer part of the body. Connective tissue, epithelial tissue, muscle tissue, nerve tissue. Connective tissue supports and binds other tissues (bone, blood, lymphoid tissue).Simply put, tissue can be defined as a collection of cells with similar shape and function called tissue. They form the tissue level between cells and organ systems. Organs are created by combining functional groups of tissues.To learn more about tissues from the given link :
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What 3 things can affect gene expression in an organism?.
Sorry for the late answer but, The three things that can affect gene expression in an organism is light, temperature, and pollution.
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Select the processes that are used by cells to strip electrons off of the c-h bonds of a glucose molecule.
Krebs cycle and the glycolysis are the processes that are being used by the cells to strip electrons off of the c-h bonds of that glucose molecule.
The tricarboxylic acid cycle (TCA), also known as the Krebs cycle or citric acid cycle, is the cell's primary source of energy and is an important part of aerobic respiration. This cycle harnesses the available chemical energy of acetyl-coenzyme A (acetyl-CoA) to the reducing power of nicotinamide adenine dinucleotide (NADH). The Krebs cycle or TCA cycle (tricarboxylic acid cycle) or citric acid cycle is a series of enzyme-catalyzed reactions that occur in the mitochondrial matrix in which acetyl-CoA is oxidized to carbon dioxide, coenzymes are reduced, and ATP is produced in the electron transport chain. is generated.
Question seems incomplete the complete question is :
Select the given processes that are used by the cells to strip electrons off of the c-h bonds of that of glucose molecule.
a. Krebs cycle ,
b. aerobic respiration ,
c. electron transport ,
d. glucose molecule
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4. how many features were you able to label when viewing the bacteria smear slide photograph? explain how the size of the bacteria affects the ability to view specific features.
It is very hard to label bacteria smear photograph because of very small size.
When I looked at the Bacteria Smear slide, it was quite challenging to label many features because the individual bacteria were so little. The bacteria's features were difficult to see, even at a magnification of 40 times, and it only appeared as a collection of little brown dots. In other species, when the cells/organisms were larger, characteristics like a cell wall and a nucleus were simple to identify.
Hence, bacteria are very small in size only heavy microscope can show proper boundaries.
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the coiled tube on the testis that stores spermatozoa is called
Darien's event was not a success. He met with his team and listened to their ideas on how to approach it the next time instead of trying his way again. He showed Authoritarian.
What is Authoritarian?Authoritarian parenting is the situation where parents expects much from their children but give them little or no room to express themselves or do most of what they want.
This tends to affect the child as they are limited to what they want to do and in most cases perform badly as what they are doing is not their choice. Darien's father is applying authoritarian parenting on him as they dictate everything for him giving him little or no room for his choices.
Therefore, Darien's event was not a success. He met with his team and listened to their ideas on how to approach it the next time instead of trying his way again. He showed Authoritarian.
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What is the most common regulatory method used in eukaryotes?.
Transcriptional regulation is the most prevalent regulatory strategy in eukaryotes.
Eukaryotic cells, as opposed to prokaryotic cells, have a wide range of levels at which they can control gene expression. Starting with access to the DNA, eukaryotic gene expression is managed. Eukaryotic repressors bind to specific DNA sequences and prevent transcription, just like their prokaryotic counterparts.cIn eukaryotes organisms, one of the main ways to control gene expression is through the control of transcriptional initiation. The majority of eukaryotic genes are regulated at the transcriptional level by proteins called trans-acting factors that engage with particular gene sequences (cis-acting regulatory sequences).
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in pollination, a plant trades food resources in the form of nectar or pollen for the service of pollen dispersal. this is an example of what type of species interaction?
The example of mutualism is seen in during pollination. A plant exchanges nutritional resources like nectar or pollen for the ability to spread pollen.
Mutualism is a partnership in which both species gain from one another. This connection might exist between two species or within a single species. Symbionts are the species with this association.
All living things, including humans, animals, birds, plants, and other microbes like bacteria, viruses, and fungi, exhibit mutual dependence. Symbiosis is a form of mutualism. Mutualism is a sort of interaction in which neither the host nor the symbiont suffer any negative effects. The duration of this partnership could be either longer or shorter. The word "mutualist" denotes that the host and the tiny partner are the other participants involved in the mutualism.
Hence, mutualism in which both species benefitted.
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TRUE/FALSE. 1. the purpose of the reproductive system is to produce offspring and pass genetic information from one generation to the next.
Whether reproducing sexually or asexually, organisms pass on their genetic material to the young, hence given statement is true.
What is reproduction?Offspring from asexual reproduction have identical genetic makeup. Genetic diversity is produced in children as a result of sexual reproduction.
Their mother passes one copy on to them through the egg, while their father passes the other one along (via the sperm).
Therefore, two copies of each chromosome and two copies of each gene are present when the sperm fertilizes the egg, hence given statement is true.
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an infectious particle is found that contains only protein. this particle is best characterized as a
Prion is an infectious particle that consists only of a protein and that does not contain DNA or RNA. A new class of pathogens, described by Starlet Prusiner.
When the normal prion protein, which is present on the surface of many cells, changes and clumps in the brain, causing brain damage, prion diseases develop. This abnormal protein buildup in the brain can lead to personality changes, memory loss, and movement issues. Many uncommon but terrible neurological disorders, including variant Creutzfeldt-Jakob disease, are thought to be caused by prions. These improperly folded proteins effectively eat tiny moth holes into the brain. They are fatal and untreatable.
Hence, prion is an infectious protein.
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if a cell includes a mixture of variable numbers of wild-type and mutant organelles, this condition is known as .
If a cell includes a mixture of variable numbers of wild-type and mutant organelles, this condition is known as heteroplasmic.
The smallest unit in biology that can sustain life on its own and makes up all living things as well as bodily tissues. The cell membrane, the nucleus, and the cytoplasm are the three major components of a cell. The cell membrane encloses the cell and regulates the chemicals that enter and exit the cell.
The body creates new cells to replace damaged or dying cells. Cell division is the name given to this process. In order to create and sustain the biological order that keeps them alive, cells need a steady flow of energy. Food molecules' chemical bonds, which act as the fuel for cells, are the source of this energy.
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Are textual aids that have visual display and show key content information?.
Graphic Organizers are textual aids that have a visual display and show key content information. They basically get rid of the non-important stuff and just highlight the things that are important.
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What year did darwin first propose the theory of evolution through natural selection and who was his collaborator?.
The first formal exposition of the theory of evolution by natural selection appeared on 20 August 1858 when Darwin and Russel Wallace's.
What is theory of evaluation?
Theory based evaluation is an approach to evaluation (i.e., a conceptual analytical model) and not a specific method or technique. It is a way of structuring and undertaking analysis in an evaluation. A theory of change explains how an intervention is expected to produce its results.
In general, there are three reasons why evaluations are conducted: to determine plausibility, probability, or adequacy.
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Answer:
The first formal exposition of the theory of evolution by natural selection appeared on 20 August 1858 when Darwin and Russel Wallace's 'On the tendency of species to form varieties
i need the answer fast ASAP thank you
At the left: At the right:
Chloroplast Lysosome
Nuclear membrane Mitochondria
Nucleolus Cytoskeleton
Nucleus Plasma membrane
Rough endoplasmic reticulum Cell wall
Smooth endoplasmic reticulum Cytoplasm
Golgi apparatus Peroxisome
Vacuole
How are plant cells different from animal cells?Plant cells are cells present in green plants, photosynthetic eukaryotes of the plant kingdom. Their distinguishing features include primary cell walls containing cellulose, hemicellulose, and pectin, the presence of plastids capable of photosynthesizing and storing starch, large vacuoles that regulate turgor, non-gametic flagella or centrioles. Lack of body, and own way. A cell division in which a cell plate or phragmoplast is formed that separates new daughter cells.
A cell wall made of cellulose envelop the cell membrane. Animal cells have only a cell membrane and no cell wall.Animal cells do not have plastids, but plant cells have chloroplasts that capture sunlight for photosynthesis.Animal cells have centrioles, centrosomes, and lysosomes, but plant cells do not.To know more about plant cells, visit:
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1. in the p generation, a true-breeding pea plant with genotype yyrr is crossed with a true-breeding plant with genotype blank.target 1 of 6 2. the resulting offspring--the f1 generation--have genotype blank.target 2 of 6 3. according to mendel's law of independent assortment, the alleles for seed color and seed shape are transmitted into gametes in blank.target 3 of 6 4. this means that the f1 generation makes gametes with the following genotypes: blank.target 4 of 6 5. at fertilization, two gametes (egg and sperm) come together. the resulting f2 generation exhibits blank different phenotypes in the ratio of blank.
Independent assortment results in gametes with different genetic information, which is one of the mechanisms that drive genetic variability. 1) yyrr, 2) YyRr, 3) All possible combinations, 4) YR, Yr, yR, yr, 5) four, 9:3:3:1.
What is the independent assortment law?Independent assortment law establishes that the alleles from two or more different genes distribute independently from each other in gametes.
In other words, a gamete receives an allele from a gene that does not depend on nor influence the allele of another gene in the same gamete. This can only be applied to independent genes.
Genes are physically located in chromosomes.
Homologous chromosomes are similar but not identical, and an organism gets only one of the members of the chromatids pair of each parent.
During gamete formation in meiosis, the pairs of homologous chromosomes separate after crossing over, and after that, chromatids sisters also separate, producing four gametes.
Each gamete has different information from the combination of homologous chromosomes belonging to the father and to the mother.
Many genes segregate independently after crossing over because they are far from each other. But some other genes are too close and they do not segregate independently. These are the linked genes that do not exhibit an independent distribution, and they inherit together more frequently.
1st Cross:
Parentals) YYRR x yyrr
Gametes) YR, YR, YR, YR
yr, yr, yr, yr
F1) 100% YyRr
2nd Cross:
Parentals) YyRr x YyRr
Gametes) YR, Yr, yR, yr
YR, Yr, yR, yr
Punnett square) YR Yr yR yr
YR YYRR YYRr YyRR YyRr
Yr YYRr YYrr YyRr Yyrr
yR YyRR YyRr yyRR yyRr
yr YyRr Yyrr yyRr yyrr
F2) Four possible phentoypes are expected,
9/16 Y-R-3/16 Y-rr3/16 yyR-1/16 yyrr1) yyrr
2) YyRr
3) All possible combinations
4) YR, Yr, yR, yr
5) four, 9:3:3:1
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1) In the P generation, a true-breeding pea plant with genotype YYRR is crossed with a true-breeding plant with genotype ______.
2) The resulting offspring --the f1 generation-- have genotype _____.
3) According to mendel's law of independent assortment, the alleles for seed color and seed shape are transmitted into gametes in_______.
4) This means that the f1 generation makes gametes with the following genotypes: _________.
5) At fertilization, two gametes (egg and sperm) come together. The resulting f2 generation exhibits ______ different phenotypes in the ratio of _______.
two organisms with genotype aabbccddee mate. these loci are all independent. what fraction of the offspring will have the same genotype as the parents? see concept 14.2 (page)
All of the genes in the parental genotype are homozygous. The information provided indicates that both parents have the genotype "aabbccddee" and are homozygous for five genes.
Meiosis during gamete creation would result in the formation of identical gametes from both parents because both parents are homozygous for all of the loci.
All gametes will have a genetic makeup of "abcde" thanks to both parents. The kids will all have the genotype "aabbccddee" as a result of the random fusing of gametes with the given genotype. As a result, the progeny of the given parents will be 100% genetically similar to them.
While the phenotype refers to an organism's physical qualities or traits, the genotype is a group of genes in DNA that are responsible for distinctive traits or characteristics. Their genotype could be used to decipher the human genetic code.
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haemophilus influenzae is the most common bacterial cause of pinkeye. group of answer choices true false
It is true that the most typical bacterial cause of pinkeye or conjunctivitis is Haemophilus influenzae.
A bacterial or viral infection, an allergic reaction, or, in infants, an incompletely opened tear duct are the most frequent causes of pink eye. Conjunctivitis, sometimes referred to as pink eye, is one of the most prevalent and curable eye diseases. The conjunctiva, the thin, translucent tissue that lines the inside of the eyelid and the white area of the eyeball, is inflamed (or swollen). Long-term consequences from pink eye are uncommon. Rarely, the cornea develops a persistent inflammation that impairs vision permanently.
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which are major advantages that isolated populations might provide for the study of recessive traits?
One benefit of studying recessive traits in isolated communities of populations is that it is simpler to detect a recessive trait there than it would be in a broader population, The expression of a recessive characteristic occurs when an organism possesses two recessive alleles, or gene forms.
Recessive trait are more likely to appear in populations when there is inbreeding. It is therefore accurate to state that inbreeding, a phenomenon common in small populations, raises the probability of recessive characteristics.
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TRUE/FALSE a mesentery is a double layer of peritoneum that contains blood vessels and nerves traveling to an organ.
The majority of the stomach and related organs are suspended from the posterior body wall by double-layered peritoneal sheets called mesenteries, which also offer paths for blood vessels and nerves to the viscera, which pass between the two layers.
The peritoneum has two layers in the mesentery.The vascular and nerves that connect to the intraperitoneal organs are attached by a mesentery, which is a double layer of peritoneum. One organ or structure within the peritoneal cavity is supported by a ligament, which is composed of two layers of visceral peritoneum.
Is the mesentery two-layered?The serous membranes are adhered back to back in the abdominal cavity's mesenteries, which are double layers of peritoneum that continue the visceral and parietal peritoneum and allow the outside mesothelium to leak serous fluid into the peritoneal cavity.
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regarding enveloped viruses, at which point do viral spike proteins insert into the host's cell membrane in order to be incorporated into the new virion? multiple choice question. penetration
A virus with an envelope or outer covering. "Budding off" is the process by which the infected cell, or host, produces this envelope. During the budding process, newly formed virus particles are "enveloped," or covered, by a thin layer of the plasma membrane of the cell.
Enveloped viruses enter host cells in a specific way.Through membrane fusion, enveloped animal viruses enter their host cells. Depending on the characteristics of the virus fusion protein, this fusion can take place at the plasma membrane of the cell or within the endocytic vacuolar system.
Where does the protein replication of an enveloped virus occur?Since these processes, which involve copying RNA to make additional RNA molecules, typically do not occur in cellular organisms, replication takes place in the cytoplasm and is largely independent of the cellular machinery. This is because the particles contain many virus-encoded enzymes that are necessary for RNA replication and transcription.
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Generalized transduction occurs when
a bacterial cell packages a piece of viral DNA during replication.
specific bacterial genes are replicated by a bacteriophage.
a bacteriophage packages a piece of bacterial DNA during replication.
DNA passes from one bacterial cell to another by a sex pilus.
specific bacterial genes are deleted by a bacteriophage.
A bacteriophage packages a piece of bacterial DNA during replication. Generalized transduction occurs whena bacterial cell packages a piece of viral DNA during replication. specific bacterial genes are replicated by a bacteriophage.
Transduction: DNA is transmitted from one bacteria to another by a virus through a process called transduction. The technique of introducing foreign DNA into a different cell via a viral vector is sometimes referred to as this. Bacteriophages, also called phages, are viruses that only attack and reproduce in bacterial cells. Bacteriophages (BPs) are viruses that may attack and eradicate bacteria without harming human or animal cells.
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the purpose of this lab is to separate pigments in spinach using [ select ] . some pigments will be attracted to either the polar [ select ] or the nonpolar [ select ] and therefore move at different rates.
Two chromatographic techniques were used in the lab to extract two colours from a mixture and several pigments from spinach pigments.
Which colours will be taken out of spinach extract?Add your spinach extract to the top of the column once the solvent level has reached the sand's surface. The pigments should start to split into a yellow carotene band and a green chlorophyll band as the extract drains onto the alumina.
What does spinach chromatography serve?The goal is to use column chromatography to isolate plant pigments from spinach leaves. Numerous coloured pigments found in plant leaves can be divided into two groups: carotenoids and chlorophylls. The pigments that give plants their green colour are called chlorophylls a and b.
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it is estimated that decreases productivity because of missed work (due to chronic illnesses and diseases), and the decrease in productivity makes products more expensive because other employees are paid overtime to make up for the hours that are not worked when someone else misses work.
According to estimates, obesity lowers productivity because of missed work (caused by illnesses and chronic conditions), and the higher cost of goods results from the need for other employees to work overtime to make up for lost hours when someone else is absent.
What is the primary reason for obesity?Overeating and insufficient exercise are the usual causes of obesity. If you consume large amounts of energy, especially fat and sugars, without expelling it through exercise and physical activity, a significant portion of it will be stored by the body as fat.
Children and adults alike are affected by obesity. Numerous elements, such as eating habits, physical activity levels, and sleep schedules, can contribute to excessive weight gain. Genetics, certain medications, and social determinants of health are additional factors.
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Can a horse be homozygous red?.
No matter the mate's color, a horse that is homozygous red would not produce red offspring.
In a mechanism known as epistasis, the genotypes for the red component decide whether a horse acquires any black as well as brown pigmentation, regardless of the genotypes at the agouti gene.
A horse is considered to be homozygous if he possesses 2 versions of the same gene for a trait, such as E/E & e/e, in which the lowercase letters denote recessive genes and the capital letters denote dominant genes for that feature. When an individual is heterozygous (E/e), both the trait's dominant and recessive alleles are present.
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A key tenet of chemiosmotic hypothesis is that electron transport chains move ________ across the inner mitochondrial membrane (or bacterial plasma membrane).
Protons
When a proton gradient exists, the transport protein ATP synthase helps the hydrogen ions (protons) pass the cellular membrane.
The chemiosmosis hypothesis explains what.According to the chemiosmotic hypothesis, the chloroplast and mitochondria of the cell's mitochondria produce the majority of the ATP needed for cellular respiration.
Why is chemiosmosis a term used to describe what occurs in the electron transport chain?By pumping protons (H+) through the inner membrane and into the intermembrane gap, the ETC creates a significant electrochemical gradient. Then, through a procedure known as chemiosmosis, the protons diffuse back across the membrane along their electrochemical gradient.
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which of the following foods is a very good source of vitamin a? group of answer choices whole-grain bread peanut butter butternut squash sunflower seeds pinto beans
Butternut squash is a very good source of vitamin A, thus the correct answer is option (C). Butternut squash.
Foods containing vitamin A include liver, butternut squash, pumpkin, milk, and eggs that have been fortified with vitamins A and D. Plant proteins can be found in red beans in good amounts. It is also known as kidney beans and comes in a variety of colors, including white, cream, spotted, and red beans. They also include fiber and healthy carbs. They aid with weight loss and give the boy protein.
The main source of carbs is rice. The body receives energy from it. Rice comes in a range of colors, including white, brown, and red. Additionally, rice contains fiber, minerals, proteins, and lipids. Due to its lower carb content, brown rice is healthier than white rice.
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most of mistakes during dna replication are corrected by a. dna ligase b. dna polymerase c. helicase d. gyrase
In this way, DNA polymerase functions as a "self-correcting" enzyme, repairing any polymerization errors as it moves along the DNA.
What corrects mistakes made during DNA replication?By examining the newly inserted nucleotide, DNA polymerase quickly corrects the majority of mistakes encountered during DNA replication The DNA pol reads the most recent base added during proofreading so that a correction can be made before adding the next base.
What purpose does DNA ligase fulfil?DNA ligases play a key role in maintaining genomic integrity by mending breaks in the phosphodiester backbone of DNA that occur during replication and recombination as well as as a result of DNA damage and subsequent repair. Three human genes, LIG1, LIG3, and LIG4, are involved in
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If the primary structure of a protein is changed what happens to the secondary structure.
Proteins are made up of building blocks called amino acids. There are about 20 different amino acids that link together in different combinations.
What do you mean by Proteins?
The primary structure refers to the amino acids in a protein molecule. Changing one of the amino acids can affect whether a protein will form alpha helices or beta sheets during folding. If alpha helices and beta sheets are changed, the interactions between amino acids along the length of the protein will be altered as well, leading to changes in the final 3D structure of a protein experiencing a primary structure change.Protein primary structure is the linear sequence of amino acids in a peptide or protein.Protein secondary structure is the three dimensional form of local segments of proteins.To know more about Protein from the given
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What is the function of proliferative?.
Proliferative refers to the process of cell growth and division. Your oestrogen levels increase throughout this stage. Your endometrium becomes thicker as a result. Additionally, your ovaries get ready to release an egg.
The first day of your menstruation marks the beginning of the follicular phase, which lasts until ovulation. Because increasing levels of estradiol (oestrogen) induce the uterine endometrium lining to proliferate and thicken, the follicular phase is sometimes referred to as the "proliferative phase." Your uterus' lining becomes thicker as a result of the higher oestrogen levels, enabling an embryo to implant there. The proliferative phase is another name for this phase. A drop in FSH is sparked by the elevated oestrogen. Your pituitary gland reduces the quantity of FSH it produces in response to the rise in oestrogen.
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What type of gene encodes proteins that stop the cell cycle following dna damage?.
Answer:
Tumor suppressor genes
Explanation:
An elongated, cigar-shaped feature deposited by a continental glacier and oriented parallel to the direction of glacial flow is called a __________________.
Answer:
drumlin
Explanation:
oval or elongated hill believed to have been formed by the streamlined movement of glacial ice sheets across rock debris, or till. The name is derived from the Gaelic word druim (“rounded hill,” ) and first appeared in 1833.
