How many possible versions of each gene are there?
1
2
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4
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Related Questions
Explain how the rate of soil formation can be accelerated.
Answers
Explanation: The rate of soil formation can be accelerated by an increase in the weathering of rocks that contribute to the mineral makeup of soil. Topsoil can be increased through the increase of available organic material. Erosion can also lead to an increase in available parent material for soil formation. Even though soil formation can be accelerated, it still takes time for soil to form.
How do animals use the energy in glucose?
O fuel for all bodily functions
O to produce cellulose and starch
O to carry out photosynthesis
O
released entirely as waste
Answers
Since animals are not autotrophs, we cannot carry out photosynthesis. Glucose is used as fuel for all bodily functions. Option A is correct.
How do animals use glucose?Animals use glucose and oxygen in aerobic cellular respiration. During this process, glucose molecules are broken down into ATP (adenosine triphosphate) molecules which provide energy for cells to do work. The chief source of energy for animals is carbohydrates, principally glucose. The assimilable carbohydrates in an animal’s diet are converted to glucose and into energy through catabolic chemical reactions.
Once glucose enters an animal's body, it is transported to the cells through the bloodstream. The cells then use enzymes to break down glucose into ATP (adenosine triphosphate), which is the molecule that provides energy for all cellular activities, including muscle contraction, protein synthesis, and the synthesis of other important molecules.
In addition to providing energy, glucose is also important for the production of glycogen, which is a complex carbohydrate that is stored in the liver and muscles.
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slack water occurs ____. a. when water starts rushing out b. at low tide c. when the current is changing direction d. at high tide
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Slack water occurs c.) when the current is changing direction.
What is meant by slack water?Slack water is a term used to describe short period of time during tidal cycle when the water in a body of water is relatively still and the direction of tidal flow changes from ebbing to flooding, or vice versa.
During slack water, horizontal movement of water is minimal or non-existent, and water level is relatively stable. This occurs because the forces of tides, currents, and winds are in equilibrium. Slack water occurs twice each tidal cycle, and its duration varies depending on the location and the size of the body of water. It is an important time for navigation in tidal areas, as it is often easier to maneuver boats and ships during slack water.
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What is unique about asexual reproduction?
Answers
Answer:
They didn't have to do "it" to have offspring. They have completely identical offspring
Explanation:
HELP ME PLEASE!! 50 POINTS
Draw a model that explains how your experiment demonstrated the transfer of genetic material from the parent to the offspring. In your model, clearly label where the transfer of genes from parent to offspring occurred.
Answers
We design a model that explains how your experiment demonstrated the transfer of genetic material from father to offspring. In our model, we clearly identify where the transfer of genes from parents to children took place, and in this practical way, we explain heredity.
Transmission of genetic informationHeredity is the biological system of transmission of certain characteristics of living beings between generations. For the full functioning of this structure, genes are needed – a piece of DNA (deoxyribonucleic acid) that houses genetic information.
Some properties can remain inactive for generations, which does not represent their extinction, only the forgetting of one or several genes. However, this does not make it impossible for the carrier of the dormant gene to pass it on to their descendants.
In addition, genetic information is capable of disappearing as a result of environmental and climate change. In these cases, natural selection processes directly affect heredity.
With this drawing, it was possible to visualize how gene transfer occurs in a normal situation.
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Which mutation changes the number of chromosomes in the cell
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Answer: aneuploidy
A gain or loss in the number of chromosomes from the normal 46 is called aneuploidy. A common form of aneuploidy is trisomy, or the presence of an extra chromosome in cells. "Tri-" is Greek for "three"; people with trisomy have three copies of a particular chromosome in cells instead of the normal two copies.
TACACCTTAGCGACGAC
AUGCUGGAAUCGCUGACU
Mutated DNA
Mrna Sequence
Amnio acid sequence
What type of mutation has occurred?
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Answer:
3. transcription
I'm so sry I don't know the rest of them
hopefully this helped tho
When a gene duplicates, what happens to the brand-new copy? does
it mutate, does it cause double gene expression? explain
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When a gene duplicates, the brand-new copy can either mutate or remain the same.
If the gene does not mutate, it will result in double gene expression, which can lead to an increase in the production of the protein that the gene codes for. However, if the gene does mutate, it can result in a change in the protein that is produced, which can lead to a variety of different effects depending on the specific mutation. This can lead to double gene expression, meaning that two versions of the same gene can be present in the same cell.
Overall, the outcome of a gene duplication depends on whether or not the gene mutates and how it affects the resulting protein.
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Insects: Please choose the correct answer from the following choices, and then select the submit answer button. typically have a younger flying life stage and an older aquatic life stage after metamorphosis. generally give birth to live young. typically mate and produce young during their larval stage. have a respiratory system with spiracles connecting to tracheae.
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Answer:
The correct option is ( have a respiratory system with spiracles connecting to tracheae).
Explanation:
The class INSECTA are under the phylum arthropoda which is the largest phylum in the animal kingdom. The insects are mainly land animals, they are widespread and adapted to all types of environment. They are also the only invertebrates that can fly. Examples of insects include: ants, butterflies, beetles, aphids and grasshoppers.
An insect has a well-defined head, thorax and an abdomen. The head had six segments and bears a pair of jointed antennae, compound eyes, simple eyes and mouthparts. The thorax had three segments, each bearing a pair of jointed walking legs. The abdomen has eleven segments and may have sensory and reproductive structures.
An insect carries out gaseous exchange by means of a network of open air tubes or TRACHEAE inside it's body. These tubes have openings called SPIRACLES to the exterior. Therefore the insects have an respiratory system with spiracles connecting to tracheae.
Describe the founder effect.
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The founder effect is the loss of genetic variety that happens when a new population is founded by a small number of individuals from a larger population, according to population genetics. Ernst Mayr was the first to thoroughly explain it in 1942, based on previous theoretical work by people like Sewall Wright.
if a homozygous tall plant (aa) is crossed with a homozygous small plant (aa), knowing that tall plants are dominant over small plants. what are the resulting genotypes and phenotypes for the f1 and the f2?
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25% of the heterozygous pass are short, and the offspring of a homozygous dominant and homozygous recessive pea plant will continually show the dominant trait (phenotype), because they are heterozygous.
In this explanation, I'm assuming that the allele "T" for tall vegetation is dominant to the allele "t" for short plants, like in Gregor Mendel's pea plant experiment.
A homozygous tall pea plant will have the genotype "TT" and a homozygous quick plant will have the genotype "tt" because homozygous capacity that both alleles are identical. Since "T" is dominant over "t", any plant with at least one "T" allele will be tall (the dominant trait), regardless of what the other allele is.
Each of the offspring has one "T" allele, so they are all tall plants. This is because the "T" allele is dominant over the "t" allele, so a plant with one "t" allele and one "T" allele will solely display the features of the "T" allele, which in this case is a tall pea plant.
The "TT" and "Tt" crosses each have at least one "T" allele, so they are tall plants. However, the closing pass "tt" would not have any "T" alleles and is short, because it is homozygous recessive . Since 1 out of four pea vegetation are short, or 1/4, the chance of a quick pea plant from a heterozygous pass is 25%.
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Place the following types of municipal waste in order of abundance, starting with the item that comprises the greatest amount of waste at the top of the list.
1. Plastics
2. Metals
3. Yard trimmings
4. Paper
5. Food scraps
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According to data from the Environmental Protection Agency (EPA), the order of abundance for municipal waste in the United States is as follows:
1. Paper
2. Plastics
3. Food scraps
4. Yard trimmings
5. Metals
Paper is the most abundant item in municipal waste, comprising around 25% of all municipal waste. Plastics come in second place, making up around 18% of municipal waste. Food scraps and yard trimmings make up a smaller portion of municipal waste, at around 13% and 12%, respectively.
Metals, on the other hand, make up a relatively small percentage of municipal waste, at only around 9%. However, it's important to note that while metals may not be as abundant in terms of overall waste, they are still a significant contributor to the waste stream and can have a major impact on the environment if not disposed of properly.
Overall, understanding the abundance and composition of municipal waste can help inform efforts to reduce waste and improve recycling and disposal practices. By focusing on reducing the items that make up the majority of waste, such as paper and plastics, we can work towards a more sustainable future.
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In addition to being used to
construct exoskeletons, chitin is
found in the cell walls of
A. animals
B. plants
C. fungi
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humans have hundreds of different g-protein coupled receptors. while these receptors all have distinct amino acid sequences, they all have in common:
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humans have hundreds of different g-protein-coupled receptors. while these receptors all have distinct amino acid sequences, they all have in common: guanine nucleotide exchange activity
What is guanine nucleotide?
Guanine nucleotide exchange factors (GEFs) are proteins or protein domains that stimulate the release of guanosine diphosphate (GDP) to enable the binding of guanosine triphosphate, hence activating monomeric GTPases (GTP). It has been demonstrated that guanine nucleotide exchange activity occurs in a number of unrelated structural domains. While some GEFs are exclusive to a particular GTPase, others can activate numerous GTPases.
Small GTPases are activated by proteins or protein domains known as guanine nucleotide exchange factors (GEFs). In intracellular signaling pathways, small GTPases function as molecular switches and have a wide range of downstream destinations. The Ras superfamily of GTPases, which is made up of the most well-known GTPases, is crucial for key cellular functions such cell division and proliferation, cytoskeletal structure, vesicle trafficking, and nuclear transport. GTPases can have their activity controlled by GEFs and the opposing GTPase activating proteins because they are active when bound to GTP and inactive when attached to GDP (GAPs)
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For each form of posttranscriptional processing in eukaryotes, provide an example. Drag the appropriate items to their respective bins. Reset Help RNA editing by substitution removal of internal sequences poly-A addition addition of m'G RNA editing by insertion/deletion Alteration of send Internal processing Alteration of send
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RNA editing by substitution, removal of internal sequences, and poly_A addition falls under internal processing. The addition of \(m^{7}G\), RNA editing by insertion or deletion falls under alternation \(S^{'}\).
RNA editing is a biological process by which some cells may produce discrete modifications to particular nucleotide sequences of an RNA molecular structure after RNA polymerase has created it. It is found in every living being and is one of many evolutionary conserved RNA properties.
When an enzyme changes a nucleotide in messenger RNA, the meaning of the codon (the triplet DNA sequence corresponding to a certain amino acid) shifts from one amino acid to another. RNA editing can be classified into two types: substitution editing and insertion/deletion editing.
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COMPLETE QUESTION:
Gina is studying a cell under a powerful microscope. The cell does not contain membrane-bound organelles.Which cell is Gina most likely studying?A. an animal cellB. a bacterial cellC. a plant cellD. a protist cell
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Gina is most likely studying a bacterial cell.
Bacterial cells are prokaryotic cells that do not have membrane-bound organelles such as mitochondria, endoplasmic reticulum, or lysosomes. Instead, they have a simple structure with a single circular chromosome and small ribosomes for protein synthesis. Bacterial cells also have a cell wall that provides protection and shape to the cell.
On the other hand, animal cells, plant cells, and protist cells are eukaryotic cells that contain membrane-bound organelles. Animal cells have a variety of organelles such as lysosomes, Golgi apparatus, and peroxisomes. Plant cells have a cell wall, chloroplasts, and a large central vacuole. Protist cells are diverse and can have different organelles depending on their type.
By observing that the cell she is studying does not have membrane-bound organelles, Gina can eliminate animal, plant, and protist cells and conclude that she is studying a bacterial cell. This information is crucial in understanding the structure and function of the cell and can help in the diagnosis and treatment of bacterial infections.
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Floral design: what would happen if a wholesaler stored a shipping crate of gladioli horizontally? What would you suggest that the wholesaler do?
Answers
The gladioli would worsen it's quality if held horizontally, therefore, the wholesaler should keep them upright while storage and transportation.
Gladioli, like the majority of spike-type flowers, are extremely sensitive to the pull of gravity and constantly have a tendency to grow upward, especially in warm climates. This may cause the upper portion of the spike to permanently distort, lowering the quality of the flowers as a result. Gladioli should be kept upright during the postharvest operations to prevent this result. Only when the flowers are kept at a low temperature during storage and transit may this restriction be loosened.
Gladiolus quality criteria include stem strength and straightness, absence of damage and disease, and maturity. Hang the corms in a cool, dry, well-ventilated area by placing them in mesh bags or old nylon stockings. 35 to 45 degrees Fahrenheit should be the storage temperature range.
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Select the true statements concerning gametophytes and sporophytes.
a. Both produce gametes.
b. Sporophytes are always nutritionally dependent on the gametophytes.
c. Across all plant species gametophytes tend to remain small.
d. Only sporophytes produce eggs.
e. Antheridia are located on the gametophyte.
Answers
The true statements concerning gametophytes and sporophytes are: a) Both produce gametes. c) Across all plant species, gametophytes tend to remain small. e) Antheridia are located on the gametophyte.
a) Both produce gametes: Gametophytes and sporophytes are two distinct stages in the life cycle of plants. Gametophytes are the haploid phase that produces gametes (sex cells) through mitosis. Sporophytes, on the other hand, are the diploid phase that produces spores through meiosis.
c) Across all plant species, gametophytes tend to remain small: In most plant species, the gametophyte stage is relatively smaller and simpler compared to the sporophyte stage. The sporophyte stage is dominant in the life cycle of most plants, while the gametophyte stage is reduced in size and dependent on the sporophyte.
e) Antheridia are located on the gametophyte: Antheridia are the structures that produce male gametes (sperm) in plants. They are typically found on the gametophyte stage, specifically on the male gametophyte.
It's important to note that statements b) (Sporophytes are always nutritionally dependent on the gametophytes) and d) (Only sporophytes produce eggs) are incorrect. In plants, sporophytes are the dominant and nutritionally independent phase, while eggs (female gametes) are produced by the gametophyte stage.
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Which of the following is the best explanation for the role of protein in a human's
diet?
A. Breaks chemical bonds for an energy source.
B. Provides energy for respiration.
C. Builds and maintains muscle.
D. Provides insulation and maintains homeostasis.
Answers
Answer: B
Explanation:
Which item would be most directly harmed if soil fertility decreased?
A. Road quality
B. Food supply
C. Air cleanliness
D. Vehicle production
Answers
Answer:
Food supply
Explanation:
foods will become toxic and can lose their freshness and value, especially for foods that are of higher quality
Answer:
the answer is food supply
Explanation:
What is a member of a gene pair that determines a specific trait?
hint: 6 letters
Answers
An allele is a member of a gene pair that determines a specific trait and diploid organisms have two alleles for each genetic locus.
What is a genetic allele or variant of a given locus?A genetic allele or variant of a given locus is any expressed gene sequence that may contribute to the expression of a train of a phenotypic feature.
Therefore, with this data, we can see that a genetic allele or variant of a given locus is part of a pair for each localization in the genome and determines traits.
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Homo sapiens are of ___________________ cells. select all that apply. group of answer choices
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Homo sapiens are composed of eukaryotic cells.
Homo sapiens, or human beings, are composed of eukaryotic cells. Eukaryotic cells are characterized by having a defined nucleus enclosed within a membrane, along with other membrane-bound organelles such as mitochondria, endoplasmic reticulum, Golgi apparatus, and lysosomes. These cells are more complex than prokaryotic cells, which lack a nucleus and membrane-bound organelles.
Eukaryotic cells, including those found in Homo sapiens, possess various structures and systems that enable them to carry out essential functions for the organism. The nucleus houses the genetic material in the form of DNA, which contains the instructions for cellular processes and the development and functioning of the entire organism. The cytoplasm, surrounding the nucleus, contains numerous organelles that perform specialized functions.
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A seed is a fertilized and mature (A.ovary, B.fruit, C.ovule, D.egg), consisting of an embryo or two coytyledons.
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Answer: D. Egg
Explanation:
A fertilized egg becomes a seed.
what type of signals does the nervous system send?
Answers
Answers: it sends an electrical signal called the nerve impulses.
Explanation:
Your neurons carry messages in the form of Electric signals called nerve impulses to create a nerve impulse your neurons have to be excited.
The NADPH produced during the PPP is the reducing power for the synthesis of: Oxaloacetate Pyruvate Fatty acids Glucose Acetaldehyde
Answers
The NADPH (nicotinamide adenine dinucleotide phosphate) produced during the Pentose Phosphate Pathway (PPP) serves as a reducing agent and is involved in various metabolic processes. While it is not directly involved in the synthesis of oxaloacetate, pyruvate, acetaldehyde, or glucose, NADPH does play a crucial role in the synthesis of fatty acids.
Fatty acid synthesis occurs in the cytoplasm of cells and requires NADPH as a reducing agent for the conversion of acetyl-CoA to fatty acids. During fatty acid synthesis, acetyl-CoA is carboxylated to form malonyl-CoA, which is then elongated through a series of reactions catalyzed by enzymes called fatty acid synthases. The reduction of these fatty acid intermediates to form fatty acids requires NADPH as a source of reducing power.
To summarize, NADPH produced during the Pentose Phosphate Pathway is primarily used as the reducing power for the synthesis of fatty acids, rather than for the synthesis of oxaloacetate, pyruvate, glucose, or acetaldehyde.
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What would it look like if human eye colors showed codominance? Incomplete dominance? Describe both.
Answers
Answer:
Codominance means that neither allele can mask the expression of the other allele, in humans the eye colors of both alleles would be mixed. Like a brown-black. Incomplete dominance is if a parent had blue eyes and the child has brown eyes.
Explanation:
In which of the following processes does water become water vapor?
Answers
Answer:
evaporative cooling
Explanation:
A runner covers the last straight stretch of a race in 5 s. During that time, he
speeds up from 5 m/s to 10 m/s. What is the runner's acceleration in this part
of the race?
Answers
Answer:
1 m/s²
Explanation:
acceleration = (final velocity (speed in this case) - initial velocity. ) ÷ time taken.
a = ( 10m/s - 5m/s ) ÷ 5s
a = 5m/s ÷ 5s
a = 1m/s².
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the more mass an object has, the more _____ it needs in order to move. A. Force B. Inertia
Answers
Answer:
Force it need in order to move
Answer:
A. force
Explanation:
inertia is that it keeps moving force gets it moving
The cornea of a normal human eye has an optical power of +42.0 diopters.
What is its focal length?
Answers
Answer:
Explanation:P=1/f so F=1/p
so 1/4= -25cm