Recombination can separate linked genes: Crossover, or recombination, happens when two homologous chromosomes align during meiosis and exchange a portion of genetic material.
The alleles for gene C were swapped in this case. As a result, there are two recombinant chromosomes and two non-recombinant chromosomes. During prophase I of meiosis, two distinct chromosomes trade fragments of genetic information when they cross over. Crossing over is more frequent if the related genes are located widely apart on the chromosome. Crossing across is referred to as recombination. Recombination can happen between any two genes on a chromosome; the quantity of crossing over depends on how close the genes are on the chromosome.
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What is the approximate number of people who have ever lived on earth? 50 billion 100 billion 1 trillion 5 trillion.
The earth's Population is fattened by over 200000 people a day the population of the world today is about 215000 people greater than yesterday.
What is the population of people living on earth?The estimated world population on Jan. 1, 2022, is 7,868,872,451, earth an increase of 74,235,487, or 0.95%, from New Year's Day 2021. through January 2022, 4.3 births and 2.0 deaths are expected worldwide each second. The world population has filled out rapidly, earth, particularly over the earlier century: earth in 1900 there were fewer than 2 billion people on the earth; today there are almost 8 billion. The world population is estimated to reach 9.8 billion in 2050, and 11.2 billion in 2100. The recent world population of 7.6 billion earth is awaiting to reach 8.6 billion in 2030, 9.8 billion in 2050, and 11.2 billion in 2100, according to earth new United Nations report being launched today.
So we can conclude that the Estimated number of people ever born, is 116,761,402,413; the World population in mid-2020 is 7,772,850,162; the earth's Percentage of those ever born who are living in 2020,
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The processes of myelination and synaptic pruning make neural processing ________ and ________ complex.
The processes of myelination and synaptic pruning make neural processing faster and more complex during the transmission of nerve impulses by means of the nervous system.
What is myelination?The process of myelination refers to the mechanism by which nerve cells are covered by layers of myelin which confer isolation required to conduct electrical nerve impulses. On the other hand, synaptic pruning refers to the removal of the excess of synapses during development.
Therefore, with this data, we can see that synaptic pruning and myelination are critical pieces during the development of the nerve system which transmits signals in the body.
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Help plsssssss
what is the main industry of the broad river basin?
Answer:
The Broad River basin dominates the central Piedmont of South Carolina. Sharing a long northern border with North Carolina, the basin tapers in a southeasterly direction and terminates at its confluence with the Saluda River near Columbia.
Explanation:
Which is bigger 0.5kg or 0.5lb
Answer: 0.5kg is a larger amount.
Explanation:
Infer why hydrogen peroxide (H)02) is toxic to drink even though it is composed of the same elements as water.
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What distinguishes a coelomate animal from a pseudocoelomate animal is that coelomates?.
Have a body cavity completely lined by mesodermal tissue whereas pseudocoelomates do not.
A pseudocolor is a coelom located between mesodermal and endoderm tissues and not completely surrounded by mesodermal tissue. The true coelom is completely surrounded by mesodermal tissue and thus can be divided into compartments. Coelomate Annelida strains contain segmented worms and include earthworms and leeches.
The most distinctive feature of the torso is metamerism the division of the body into similar parts or segments arranged in a linear array along the anterior-posterior axis of the torso. The advantage of body cavities is that the fluid-filled cavities around the organs create a hydrostatic skeleton to aid movement, allowing more efficient circulation of nutrients and removal of waste products.
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Why is producing iPS cells from an individual beneficial when transplantation is necessary?
A form of pluripotent stem cell that may be produced directly from a somatic cell is known as an induced pluripotent stem cell, or iPS cell or iPSC.
What are the advantages of using iPS cells created from somatic cells from the patient?Because they are made from the patient's own cells, iPS cells have excellent therapeutic potential. They can overcome the issues with tissue matching and tissue rejection that currently prevent successful cell and tissue transplantation since they are genetically matched to that patient.
Positive aspects of iPS cells
iPS cells can differentiate into all three germ cell layers—ectoderm, mesoderm, and endoderm—just like embryonic stem cells can. The reprogrammed cells can produce stem cells for treating ailments, creating new medications, and creating individualized regenerative stem cell therapies.
iPSCs are a priceless source for regenerative medicine and offer enormous potential as a therapeutic product to help treat many debilitating and life-threatening diseases that are now incurable since they share many of the regenerative qualities of ESCs.
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Standard NCES.7.L.2.1-Which parts of a cell determine the traits an organism inherits?
Group of answer choices
chromosomes
mitochondria
Golgi bodies
vacuoles
Answer:
Chromosomes
Explanation:
Chromosomes are structures within cells that contain a person's genes and genes carry the information that determines the traits an organism inherits.
worth 100 points will mark brainliest
The trace elements with their molecule are as follows:
Chlorophyll: Magnesium (Mg), is an essential component of chlorophyll and helps in the photosynthesis process. Magnesium is also essential for the functioning of many cellular enzymes. It helps in the aggregation of ribosomes.
Haemoglobin: Iron, is an essential element for the production of blood. Haemoglobin is an iron-containing protein found in red blood cells. Oxygen moves into the red blood cells and binds with haemoglobin, thus allowing it to be transported all over the body.
Vitamin B₁₂: Cobalt, Vitamin B₁₂ is also referred to as cobalamin, as it contains cobalt. Vitamin B₁₂ has some important functions like making red blood cells and releasing energy from the food we eat.
Oxyluciferin: Calcium, The chemical reaction that results in bioluminescence requires two unique chemicals: luciferin and luciferase or photoprotein. They often need another agent, such as an ion of the element calcium, to produce light.
Enzymes: Zinc, is required for the activity of more than 300 enzymes, thus covering all six classes of enzymes.
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Answer: zinc 300
Explanation:
when infants begin using primitive symbols, they are in the blank______ sensorimotor substage.
Internalization of schemes, In this substage, the infant develops the ability to use primitive symbols.
A child typically experiences the sensorimotor stage within the first two years of their life. It is characterized by the child's realization of the distinction between themselves and their surroundings. At that point, they will learn about both themselves and their surroundings by utilizing their senses.
The child can now use mental strategies to solve problems, remember something they heard days ago and repeat it, play pretend, and find things that have moved even when they are not visible. Take, for instance, the child who is supposedly napping upstairs in a room with the door closed. The child cannot turn the doorknob because it has a safety feature attached to it. The child employs a mental strategy he has learned from previous experiences to get the door opened after repeatedly attempting unsuccessfully to push the door or turn the knob—he knocks! The child now has better mental strategies for solving problems.
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8. _____energy is needed to get a reaction to go.
9. The joining of an enzyme and substrate is called the what
Complex?
10. The result(s) of a chemical reaction is/are called____?
Answer:
8.activation
9.enzyme substrate
10.product
Deep inward extensions of the sarcolemma form a tunnel-like network inside the muscle cell known as __________.
Deep inward extensions of the sarcolemma form a tunnel-like network inside the muscle cell known as ___transverse tubules___
What is Transverse tubules ?The transverse tubules (t-tubules) are invaginations of the cell membrane that are populated with many ion channels and other proteins that are essential for excitation-contraction coupling in cardiac muscle cells (cardiomyocytes)
Transverse tubules (T-tubules) are protrusions of the cell membrane that reach the core of skeletal and cardiac muscle cells.By using the voltage sensor channel DHPR, they have the responsibility of keeping the SR calcium store tightly under control of membrane depolarization.Mammalian cardiac and skeletal muscles' transverse tubules (T-tubules) are sarcolemma invaginations. They are essential for intracellular signalling, glucose transport control, excitation-contraction coupling, and other processes.Learn more about Transverse tubules here:
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is the most abundant neuropeptide in humans. it stimulates intake of food and reduces energy expenditure by inhibiting sympathetic nervous system activity in the brown adipose tissue.
Answer:
Neuropeptide Y is the answer to this question
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Which substance is the energy source for the soybean plants?
O water
O sunlight
O glucose
O carbon dioxide
According to the research, the correct answer is glucose. It is the substance that is the energy source for the soybean plants in a process called photosynthesis.
What is glucose?It is a monosaccharide of the aldohexose family and the main sugar from which most carbohydrates are derived.
In this sense, plants synthesize glucose (sugar) that acts as a source of usable chemical energy, through photosynthesis from water and CO2, with the intervention of sunlight.
Therefore, we can conclude that glucose is produced by plants with the help of energy from the Sun, providing it with energy to keep vital functions active.
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One complete set of chromosomes necessary to define an organism is also known as the number of chromosomes.
One complete set of chromosomes necessary to define an organism is also known as the haploid number of chromosomes.
What is the haploid number of chromosomes?The haploid number of chromosomes can be defined as the single set of chromosomes of one organism which is contained in all their cells (both gamete cell and mitotic body cells).
A complete set of chromosomes that do not contain homologous chromosomes is defined by the haploid number of chromosomes.
Therefore, with this data, we can see that the haploid number of chromosomes is the minimum number of non homologous chromosomes capable of genetically characterizing the inherited genetic material of an organism, and therefore they can be used to understand the gene pool of a species.
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Complete question:
Fill in the blank. One complete set of chromosomes necessary to define an organism is also known as the ______ number of chromosomes.
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what enters a plant through its roots
Which of the following statements is incorrect?
A. The half-cell reactions are reversible.
B. Changing the stoichiometric coefficients of a half-cell reaction does not affect the value of
E0 because electrode potential is an intensive property.
C. E0 changes sign whenever a half-cell reaction is reversed.
D. Changing the stoichiometric coefficients of a half-cell reaction does affect the value of
E0 because electrode potential is an extensive property.
D. Changing the stoichiometric coefficients of a half-cell reaction does affect the value of E0 because electrode potential is an extensive property. Traditionally, the reference electrode is the standard hydrogen electrode (SHE).
An electrode potential is the electromotive force of a galvanic cell, which consists of an experimental electrode and a reference electrode that is regarded as the norm. Electrode potential is stated to be zero volts. The potential difference is determined by the ability of electrons to move between half cells. Electrons can move between the electrodes because the chemical reaction is a redox reaction. In the case of a gas electrode, the electrode potential is influenced by the material concentrations, temperature, and pressure.
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Elevated levels of _________ in the blood is beneficial?
Elevated level of lipoprotein in the blood is beneficial. (A higher level of lipoprotein in the blood is advantageous).
The "good" cholesterol HDL (high-density lipoprotein) absorbs cholesterol and delivers it to the liver. The body subsequently gets rid of it through the liver. Your risk of heart disease and stroke can be decreased by having high HDL cholesterol levels.
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viral dna makes mrna by the process of _____.
Transcription is the mechanism through which viral DNA produces mRNA. A virus with viral DNA uses a DNA-dependent DNA polymerase to replicate. Its genetic material is DNA.
Double-stranded viral DNA (dsDNA) is the most common type of nucleic acid, however single-stranded DNA can also exist (ssDNA). The Baltimore classification system for viruses places viral DNA in Group I or Group II.
A DNA polymerase belongs to a group of enzymes that catalyse the synthesis of DNA molecules from nucleoside triphosphates, which are the basic building blocks of DNA. These enzymes, which are necessary for DNA replication, typically function in groups to split a single original DNA duplex into two identical DNA duplexes.
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At what degrees does water need to be at in order for it to start solidifying and forming crystals along it's hydrogen bonds, which will then make it able to float.
The degrees that the water need to be at in order for it to start solidifying and forming crystals along it's hydrogen bonds is 0 degrees Celsius.
What is the temperature that the water will start to float?The temperature that the water will start to float can be expressed as the zero degree, this can be explain in the sense that the water will be locked into a crystalline lattice.
As a result of this the water will become a solid which will be able to float when it is been introduced into the water because the temperature has been reduced to 0 degrees Celsius.
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Peter has a gene that encodes blue eyes, while karin has a gene for green eyes. Alternate forms of genes such as blue versus green for one trait are called.
Alleles are various variations of a gene. Depending on the features they are related with, alleles are classified as either dominant or recessive.
What are the alternate form alleles gene in an organism?There can only be two allelic variations in a single organism for diploid organisms like humans.
The alternative allele may or may not be associated to a trait and is not always the minor allele. Each variant may contain many alternative alleles.
Therefore, The allele in a population that expresses itself fully. Recessive: An allele that either cannot express fully or only partially in a population.
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Which of the following statements best describes how organisms such as rabbits obtain the carbon necessary for building biological molecules?
A. Rabbits eat plants and use energy absorbed from the plants to make carbon atoms from electrons, protons, and neutrons in the air.
B. Rabbits eat plants and break down plant molecules to obtain carbon and other atoms that they rearrange into new carbon-containing molecules.
C. Rabbits eat plants and use water absorbed from the plants to hydrolyze CO2CO2, which the rabbits breathe in from the air and use as a carbon source.
D. Rabbits eat plants and make carbon-containing molecules by using carbon atoms that the plants absorbed from the soil and stored in the cells of their leaves.
Rabbits get their carbon from eating plant molecules, which they then rearrange into new carbon-containing molecules. This is how rabbits get the carbon they need to make biological molecules.
Carbon is a necessary component for all of Earth's life. The intake and release of carbon is a component of all plant and animal life. Since the rabbit is a heterotroph, it is unable to synthesize its own food. These life forms either take in carbon to assist in the production of food or release carbon as part of respiration. Rabbits consume green plants and, as part of the carbon cycle, break down plant molecules like cellulose, glucose, starches, fats, and proteins into simple substances that can be used to produce energy and rearrange them into new carbon-containing structures and molecules.
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based upon the processes of independent assortment, crossing over, and random fertilization, what important differences would you expect to see between a sexually reproducing population of organisms and an asexually reproducing population of organisms?
A sexually reproducing population of organisms undergoes the processes of independent assortment, crossing over, and random fertilization whereas an asexually reproducing population doesn't.
An asexually reproducing population doesn't lead to the creation of genetically different organisms. the daughter cells are the exact clones of the mother cell.
Whereas in a sexually reproducing population, variations are created due to several processes like independent assortment, crossing over, and random fertilization.
How are variations formed?
Genetic diversity can come from various sources, one of which being mutations, or alterations in the DNA's gene sequences. Gene flow, or the transfer of genes between several groups of organisms, is another source. Last but not least, sexual reproduction can result in the genetic variety by generating new gene combinations.
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the gainesville city zoo just received its first three animals. the first animal it received was a deer. the second animal it received was a monkey. the third animal it received was a lion. children in gainesville are excited about the opening of the zoo. what happened right before the gainesville city zoo received a monkey? select one: a. they received a deer. b. they received a lion. c. they received a bear. d. the children in gainesville were excited.
They received a deer right before the Gainesville city zoo received a monkey.
This is a sequence of events that is linking one to another. There are some signal words that act as a linkage between one event to another event that occurred. For instance, first, before, next, last, and after.
For the identification of components of a story, i.e., beginning, middle, and middle in order to solve the problem of a story. The order of the events is sequenced with several transition words mentioned above. In the given example, It is said that deer is the first animal they received, then a monkey and in third it received a lion, now asking about what animal is received before a monkey i.e., the monkey was taken in second - therefore first animal will be taken first.
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human genome (dna) researchers have discovered that a. chimpanzees are completely different than humans, sharing a small dna sequence percentage. b. the occasional variations found at particular gene sites in human dna are of no interest to science. c. complex behaviors are determined by specific individual genes. d. human genes are mostly the same, regardless of race. e. genetic predispositions do not help explain our shared human nature and our human diversity.
Human genome (DNA) researchers have discovered that option D: human genes are mostly the same, regardless of race.
The racial classifications accepted by society are not reflected on the genetic level, contrary to what scientists have long thought. But the majority of scientists are increasingly persuaded that the traditional terms used to categorise people based on their "race" have little to no biological significance as they more closely examine the human genome, the complete set of genetic material housed in the centre of nearly every cell of the body.
Any two people are 99.9% identical based on an analysis of their DNA. Similar minuscule genetic variances exist amongst several human tribes. Nevertheless, it just takes a quick glance to notice the incredibly wide range of individual differences in sizes, forms, and facial features.
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Mr. Valenzuela’s new bottle of shampoo contains 60 ounces of shampoo. He uses One-fourth ounce of shampoo each time he washes his hair. Which equation can be used to find x, the number of washes after which 24 ounces will remain in the bottle?
One-fourth x minus 60 equals 24
60 minus one-fourth x equals 24
One-fourth x minus 24 equals 60
24 minus one-fourth x equals 60
An equation which can be used to find x, the number of washes after which 24 ounces will remain in the bottle is: B. 60 minus one-fourth x equals 24.
What is an expression?An expression is a mathematical equation which is used to show the relationship existing between two or more variables and numerical quantities.
In this exercise, you're required to write an equation which can be used to find x, the number of washes after which 24 ounces will remain in the bottle. Therefore, we would translate the word problem into an algebraic equation and then evaluate it as follows:
Volume of shampoo in a new bottle = 60 ounces of shampoo.
Amount used = 1/4.
The number of washes = x.
Combining the parameters above, the required algebraic equation is given by:
60 - (1/4)x = 24
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Answer:b B
Explanation: just took the test
which physical characteristic is not commonly used in protein separation?
Stereochemistry is the physical characteristic that is not commonly used in protein separation.
Through stereochemistry, we learn about the three-dimensional arrangement of molecules and atoms, as well as how this arrangement affects their chemical properties and chemical reactions.
One of the most common methods for purifying proteins is column chromatography. Chromatography is based on the idea that molecules in a mixture that are applied to the surface or into a solid and the fluid's stationary phase (stable phase) are separating while moving with the help of a mobile phase.
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your blood cells have different sizes, shapes, and functions, yet they all started out alike. what process is responsible for this? (b.6b)
The process that is responsible for the different sizes, shapes, and functions of blood cells is called blood cell differentiation. This process begins in the bone marrow, where blood cells are produced.
The blood cells that are produced in the bone marrow are called hematopoietic stem cells. These cells have the ability to divide and create new blood cells. As the hematopoietic stem cells divide, they produce different types of blood cells. The different types of blood cells include: red blood cells, white blood cells, and platelets.
Red blood cells are the most common type of blood cell. They are responsible for carrying oxygen to the body’s tissues. White blood cells are responsible for fighting infection. Platelets are responsible for clotting blood.
Once the blood cells have matured, they will be released into the bloodstream. They will then travel to the parts of the body where they are needed.
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The physical basis for the independent assortment of alleles when gametes are formed is.
The independent alignment of homologous pairs during metaphase I provided the physical basis for the independent assortment of alleles when gametes are formed.
Metaphase I of gamete production, when homologous pairs line up in random orientations at the centre of the cell as they prepare to split, provides the physical foundation for the law of independent assortment. When paired homologous cells split into daughter cells during meiosis, independent assortment happens. This happens during metaphase I stage of meiosis I.
Metaphase is the third stage of meiosis that divides the duplicate genetic material present in a parent cell's nucleus into two identical, homologous daughter cells. One chromosome has an independent possibility of becoming divided into a daughter cell from any other chromosomes. Thus following the rule of independent assortment.
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an allosteric inhibitor question 6 options: is identical to the active site. binds and activates the high-affinity state of the enzymes. is converted to an activator by the enzyme. binds at the regulatory site. increases the rate of substrate binding.
An allosteric inhibitor binds at the regulatory site.
An allosteric inhibitor is a substance that interacts with the enzyme at an allosteric location. The position of the allosteric site and the active site are dissimilar. The 3-dimensional geometry of the enzyme is altered by the inhibitor.
What are the different types of inhibitors?
Competitive and noncompetitive inhibitors are the two different categories of inhibitors.
Therefore, an allosteric inhibitor binds at the regulatory site.
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