It is true to say that a GLUT4 mutation reduces the Kt value from 5mM (wild type) to 3mM. (mutant). The rate of glucose entry into a mutant cell at a blood glucose concentration of 5 mM would be faster than into a cell expressing the wild type form.
A gene on chromosome 17 codes for GLUT 4, a protein that transports genetically encoded glucose and is found in adipocytes, skeletal muscle, and cardiac muscle. It has a 5 mm Km for glucose. The majority of GLUT 4 is stored in intracellular vesicles when there is not a sufficient stimulation.
We created transgenic mice that produce large quantities of the GLUT4/muscle-fat specific facilitative glucose transporter in a tissue-specific way to better understand the physiological function of this protein in controlling glucose homeostasis. Examining two different founder lines revealed that high-level GLUT4 protein expression markedly decreased fasting glucose levels in comparison to wild-type mice (around 130 mg/dl) by about 70 mg/dl.
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Correct Question:
A mutation in GLUT4 changes the Kt value from 5mM (wild type) to 3mM (mutant). The velocity of glucose entry into a mutant cell would be higher than a cell expressing the wild type version of a blood glucose concentration of 5mM. State True or False
why do species in a community compete with each other?A. they are both generalistsB. they have overlapping nichesC. they are both specialistsD. they have narrow niche ranges
When the species in a community compete with each other is a indication that they have overlapping niches in this environment.
The pictures below show two types of telescopes.
Which of these statements is most likely true about the ability of the telescopes to gather radiations from distant objects in space?
A. Both the telescopes gather the same amount of radiations.
B. Neither of the telescopes gather sufficient amount of radiations.
C. The refracting telescope gathers more radiations than the reflecting telescope.
D. The reflecting telescope gathers more radiations than the refracting telescope.
The reflecting telescope gathers more radiation than the refracting telescope. Therefore, option (D) is correct.
Reflecting telescopes use mirrors to gather and focus light, allowing for larger apertures and higher light-gathering capabilities compared to refracting telescopes, which use lenses. This design difference typically gives reflecting telescopes an advantage in terms of gathering more radiation from distant objects in space.
However, without specific information about the sizes or specifications of the telescopes in the pictures, this inference is based on the general characteristics of reflecting and refracting telescopes.
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Salt water gargle can temporarily relieve a sore throat. One recipe calls for 3/4 teaspoon of salt in 1 cup of water. A second recipe calls for 1 teaspoon of salt in 2 cups of water. Which recipe will taste saltier?
Answer:
The first solution will, since the salt to water ratio contains more salt.
Explanation:
The salt will cause the recipe to taste saltier, since the salt is what makes things salty.
Do eukariota cells have mitochondria?
Do Eukaryotic Cells have Mitochondria?
The answer is YESIn addition to the nucleus, eukaryotic cells may contain several other types of organelles, which may include mitochondria, chloroplasts, the endoplasmic reticulum, the Golgi apparatus, and lysosomes.
What is a Eukaryotic cell?
A eukaryotic cell is one of two different types of cells. Organisms that are based on the eukaryotic cell are called “eukaryotes” and include plants, animals, fungi, and protists.
What is Mitochondria?
The mitochondrion (plural mitochondria) is a membrane-bound organelle found in the cytoplasm of eukaryotic cells. It is the power house of the cell; it is responsible for cellular respiration and production of (most) ATP in the cell. Each cell can have from one to thousands of mitochondria. Mitochondria also contain extranuclear DNA that encodes a number of rRNAs, tRNAs, and proteins.
what are
two positive and two negative effects of land use by humans.
Answer: Positive:
1. Keep humans alive
2. Adequate food
Negative:
1. pollution
2. over population
Explanation:
what is the analogy between the vacuole and a school?
Answer:
The vacuoles is like the cabinets in the school used to store items. where we release all of our energy. Cytoplasm is like the hallways of the school.
How are meiosis and genetic traits related?
Answer:
parental germ cells undergo meiosis and produce gametes that carry specific alleles, and two gametes unite during fertilization to form offspring.
Explanation:
The sequence of nucleotides in a single strand of DNA is shown. TGA -
GTG-AAT CAT. Which of the following represents the complementary
DNA strand?
Answer:
Adenine always pairs with thymine and cytosine always pairs with guanine.
Explanation:
Answer:
Explanation:
Answer: ACT - CAC - TTA - GTA
When it comes to DNA strands, certain bases can only match with one other base and not anymore.
So if we have an adenine (A) molecule, you can only expect thymine (T) to follow. And when you have a cytosine (C), you can only expect guanine (G) at the end of it.
So for the strand, TGA - GTG - AAT - CAT, the complementary strand on the other side of this one would be
ACT - CAC - TTA - GTA
Describe the role of GA in a-amylase production and in germination. Provide evidence for your claim
Gibberellic acid (GA) plays a crucial role in a-amylase production and germination. GA stimulates the synthesis and release of a-amylase enzymes, which hydrolyze starch into sugars during germination. Experimental studies have demonstrated that the application of GA accelerates a-amylase production and enhances germination in various plant species
In terms of a-amylase production, GA stimulates the synthesis and release of this enzyme. a-amylase is responsible for breaking down starch into simpler sugars, which are then utilized by the plant for growth and development.
Studies have shown that applying GA to plant tissues or seeds results in an increased production of a-amylase, facilitating the conversion of stored starch into energy-rich sugars.
Regarding germination, GA is involved in breaking seed dormancy and promoting the growth of the embryonic plant.
It stimulates the production of hydrolytic enzymes like a-amylase, which enable the hydrolysis of starch reserves in the endosperm, providing the energy needed for germination and seedling establishment.
Additionally, GA helps in cell elongation and division, promoting the growth of the embryo and the emergence of the radicle.
Evidence for GA's role in both processes includes studies where the exogenous application of GA to seeds or plant tissues has been shown to enhance a-amylase production and promote germination.
Conversely, inhibiting GA synthesis or action results in reduced a-amylase activity and impaired germination. These findings support the critical involvement of GA in both a-amylase production and germination processes in plants.
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In a single sentence, what is Natural Selection?
Answer:
Natural selection is the process through which populations of living organisms adapt and change based on what adaptations help them the most.
5. Gas stations aren't just places to fill up the tank. Can you find 2 things that Shaq at
the Recycle City gas station does to help the environment?
Answer:
decrease pollution also make the air fresher
Explanation:
I know this because instead of burning trash they reuse it .
Which of the following characteristics is not shared between Kingdom Protista and Kingdom Animalia?
A mobile
B Photosynthetic
C Eukaryotic
D Reproduce sexually
Answer:
B. Photosynthetic
Explanation:
Kingdom animalia and protista are two of the seven classification of kingdoms. Kingdom Animalia is characterized by their eukaryotic multicellular cell and heterotrophic nature of nutrition i.e. depend on other organisms for energy source.
Kingdom protista, on the other hand, are grouped because they do not fit into any other kingdom. Protists can be autotrophic or heterotrophic, single celled or multicellular. Some protists are capable of autotrophic nutrition via photosynthesis e.g algae.
This photosynthetic process is the difference between the protists and animals. Animals can never be autotrophic.
The following characteristics is not shared between Kingdom Protista and Kingdom Animalia is option B. Photosynthetic
Kingdom Protista & Animalia:Kingdom Animalia and Protista should be two of the seven classifications of kingdoms. Kingdom Animalia should be characterized by their eukaryotic multicellular cell And heterotrophic nature of nutrition based on other organisms for an energy source.
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What two abiotic factors must be present in order for gypsum to form
The two abiotic factors that must be present in order for gypsum to form are that they have essential effects on dessert and the environment. In general, gypsum is made of many abiotic components. Abiotic components such as temperate deserts, and subtropical deserts.
One type of saline soil is formed by Gypsum. Gypsum is a soft, chalky mineral composed of calcium sulfate \(CaSO_{4}\) and water \(H_{2} O\). Here spatial variability means it maintains the even layer of the soil its decomposition and can develop the soil moisture. Gypsum is a nonclastic rock and transparent mineral. Deserts can be categorized by their low mean rainfall, even though it is just as essential to calculate the temporal and spatial variability in yearly rainfall. Gypsum is made up of oxygen \(O_{2}\), sulfur S, calcium Ca, and water \(H_{2} O\).
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Why do alleles from linked genes sometimes appear to follow the law of
independent assortment?
A. During meiosis, alleles can switch between homologous
chromosomes through crossing over.
B. During independent assortment, alleles can select which
chromosome they are on.
C. During mitosis, alleles will move up and down a chromosome to
stay together.
D. During segregation, alleles on the X chromosome can be passed
to other chromosomes.
The correct answer is:
A. During meiosis, alleles can switch between homologous chromosomes through crossing over.
Crossing over, which occurs during meiosis, is the process where homologous chromosomes exchange genetic material. This can result in the swapping of alleles between linked genes, leading to new combinations of alleles on the chromosomes. As a result, linked genes may appear to follow the law of independent assortment, where alleles are randomly assorted into gametes.
During meiosis, crossing over allows alleles from linked genes to switch places and appear to follow the law of independent assortment.
Explanation:In genetics, alleles from linked genes sometimes appear to follow the law of independent assortment due to the phenomenon of crossing over during meiosis. Crossing over occurs when homologous chromosomes exchange genetic material, resulting in the recombination of alleles on different chromosomes. This process can lead to the separation of linked alleles and the appearance of independent assortment.
For example, let's consider two genes located close to each other on a chromosome. Initially, the alleles for these genes are linked and inherited together. However, during crossing over, a break can occur between the genes, allowing the alleles to switch places. As a result, the alleles can end up on different chromosomes, leading to independent assortment.
Therefore, option A is the correct answer. Crossing over during meiosis allows for the exchange of alleles between homologous chromosomes and breaks the link between genes, resulting in the appearance of independent assortment.
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Explain why chemogenetic based methods of regulating cellular signaling result in poor temporal control of biochemical pathways relative to optogenetic based methods.
Answer:
They use different detecting methods to assess neuronal circuits
Explanation:
Chemogenetics is a technique widely used in neuroscience research to explore signaling interactions by means of genetically modified receptors capable of interacting with small molecules. Chemogenetics was first used to determine the function of the chalcone isomerase gene by inducing mutations that altered its substrate specificity. On the other hand, optogenetics is a bioluminescence-driven genetic technique used to control genetically modified neurons that express light-gated ion channel genes. This technique is also used to monitor neuronal networks. In consequence, optogenetic and chemogenetic techniques have recently been combined in order to analyze neuronal circuits, it by analyzing the same actuator molecule.
what solution has the lowest concentartion of hydrogen ion
Answer:
pure water ..............
Where is the ozone found? Why is it important?
Lesson 1.05
Question 2 options:
A) Exosphere, absorbs rays of damaging ultraviolet light from the sun
B) Stratosphere, absorbs rays of damaging ultraviolet light from the sun
C) Troposphere, absorbs rays of damaging ultraviolet light from the sun
D) Mesosphere , absorbs rays of damaging ultraviolet light from the sun
Answer:
B
Explanation:
Stratosphere,absorbs rays of damaging ultraviolet light from the sun
Answer:
B
Explanation:
i did the same test and got an A
please please help ! The results of gel electrophoresis are shown below, with four different
strands of DNA labeled.
electrode
II
Il kolle
The
Which strand of DNA is the shortest?
O A. 1
O B. 3
C. 2
O D. 4
Answer:
1
Explanation:
<3
The strand of DNA which is the shortest is 1 and is denoted as option A in this scenario.
What is DNA?This is referred to as deoxyribonucleic acid and contains the genetic components in organisms.
From the chart we can deduce that the shortest strand and most appropriate choice is 1.
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Give an example of an adaptive radiation. Provide evidence for the claim that the radiation originated with one or a few species, it was rapid, and the descendant groups occupy a wide array of ecological niches. Briefly explain why the radiation occurred
An example of adaptive radiation is the generation of different finch species in regard to specific environmental characteristics of the Galapagos islands. The radiation originated with one or a few species because it led to reproductive isolation barriers in order to produce individuals that are better adapted to certain ecological niches. In this case, radiation occurred as a response to the migration to each island.
What is the evolutionary process of adaptive radiation?The evolutionary process of adaptive radiation makes reference to the generation of new species by divergence from an ancestral species in order to fulfill certain ecological niches associated with specific environmental conditions.
Therefore, with this data, we can see that the evolutionary process of adaptive radiation may lead to divergence due to the emergence of reproductive isolation barriers and they emerge as a consequence of adaptation to the environment.
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The Cells in the human body that carry blood away from the cells are called what?
Answer:
There are three main types of blood vessels
The arteries (red) carry oxygen and nutrients away from your heart, to your body's tissues. The veins (blue) take oxygen-poor blood back to the heart.
Explanation:
And hi have a nice day
Industrial melanism refers to the dark pigmentation that evolved in some insects giving them protective coloration on vegetation darkened by soot in heavily industrialized areas prior to air pollution regulation. Assume that in one heavily polluted area near Birmingham, England in 1956, 79% of the moths of the species Biston betularia were black due to the presence of a dominant gene for melanism. Estimate the frequency of the dominant allele in this population, and the proportion of black moths that are heterozygous.
Answer:
The frequency of the dominant allele, p = 0.542The proportion of black moths that are heterozygous 2pq = 0.496Explanation:
According to Hardy-Weinberg, the allelic frequencies in a locus are represented as p and q, referring to the allelic dominant or recessive forms. The genotypic frequencies after one generation are p² (Homozygous dominant), 2pq (Heterozygous), q² (Homozygous recessive). Populations in H-W equilibrium will get the same allelic frequencies generation after generation. The sum of these allelic frequencies equals 1, this is p + q = 1.
In the same way, the sum of genotypic frequencies equals 1, this is
p² + 2pq + q² = 1
Being
p the dominant allelic frequency,q the recessive allelic frequency,p² the homozygous dominant genotypic frequencyq² the homozygous recessive genotypic frequency2pq the heterozygous genotypic frequencyIn the exposed example, 79% of the moths of the species Biston betularia were black due to the presence of a dominant gene for melanism.
If the genotypic frequency of back moths is 0.79, then, by performing the following equation we can get the not-black moths genotypic frequency:
p² + 2pq + q² = 1
where p² is the homozygous dominant genotypic frequency, q² the homozygous recessive genotypic frequency, and 2pq is the heterozygous genotypic frequency.
As 0.79 is the phenotypic frequency of black moths, then this frequency equals p²+2pq.
Clearing the equation:
p² + 2pq + q² = 1
0.79 + q² = 1
q² = 1 - 0.79
q² = 0.21
The genotypic frequency of non-black moths is 0.21. So, from here we can calculate the allelic frequency:
q² = 0.21
q= v 0.21
q = 0.458
If 0.46 is the allelic frequency of non-black moths, then by clearing the equation p + q = 1, we can get the p allelic frequency:
p + q = 1
p + 0.458 = 1
p = 1 - 0.458
p = 0.542
The genotypic frequency p² = (0.542)² = 0.294The heterozygote genotypic frequency2 x p x q = 2 x 0.542 x 0.458 = 0.496
Finally, we can check this answer by clearing the following equation:
p² + 2pq + q² = 1
0.294 + 0.496 + 0.21 = 1
Type the correct answer in the box. Spell all words correctly.
What is a close relationship between two organisms that live together called?
The close relationship between two organisms that live together is called
Reset
Next
Answer:
symbiosis.
Explanation:
The term that you are referring to is symbiosis. (a symbiotic relationship)
Symbiosis is a proximate and often long-term interaction between two or more different biological species.
Most articles pass right through the atom, this means that most of the atom is
Most articles pass right through the atom, this means that most of the atom is an empty space.
What is an atom?An atom is described as a particle that consists of a nucleus of protons and neutrons surrounded by a cloud of electrons.
Protons and neutrons make up the core nucleus of an atom, which is encircled by an electron cloud. In relation to the size of the atom as a whole, the nucleus is exceedingly small.
As a result, the electrons surrounding the nucleus are the primary target of interactions when particles or even light pass through an atom. The majority of the atom's remaining space, which includes the nucleus, is vacant.
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Exocrine glands
absorb hormones from the blood
absorb hormones from body surfaces
secrete hormones into the blood
secrete hormones into an attached duct
The Exocrine glands secrete hormones into an attached duct.
What do exocrine glands release?While the endocrine glands release their secretions into the bloodstream, the exocrine glands secrete their substances into other organs or to the outside of the body. Some examples of exocrine glands are: sweat glands (secrete sweat), mammary glands (secrete milk) and salivary glands (release saliva)
Glands are structures formed by epithelial tissue of the glandular type that are specialized in the synthesis and release of substances.
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The diagram shows Mendel's test for flower color. He crossed a plant with white flowers with one that had purple flowers. Then he let the first-generations offspring self-pollinate to produce the second-generation offspring.
What did Mendel call the factor for white flower color?
A. Heterozygous
B. Codominant
C. Recessive
D.Dominant
Answer:
Recessive
Explanation:
A P E X
Answer:
Reccesive
Explanation:
i need a essey on Find the Resources pic is below!!!
It might be difficult to find the proper resources for a project. It is crucial to invest the time necessary to thoroughly investigate and assess the resources to make sure they are suitable for the project.
Identifying the kind of resources required is the first step in locating the proper ones. This could involve supplies, workers, technology, and other resources, depending on the project. Finding the resources is the next stage after determining what kind of resources are required. An excellent location to look for materials is online.
Numerous websites offer comprehensive details about a range of resources, including costs and availability. Professional associations and organisations can frequently offer useful information regarding resources.
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You would MOST LIKELY find a savannah grassland biome in an area with
A)
50 cm of precipitation.
B)
100 cm of precipitation.
200 cm of precipitation.
D)
250 cm of precipitation.
Answer:
D
Explanation:
Savannah grassland biome is found in an area with an average precipitation of 76.2-101.6 cm. Therefore, option B is correct.
What is the savannah grassland biome?A region of grassland with scattered trees or groups of trees is how the savanna biome is frequently defined.
The savanna is a dry environment, making it difficult for tall plants like trees to flourish. The trees and grasses that thrive on the savanna have adapted to the dry climate and limited water supply.
In regions with savanna growth, a tropical wet and dry climate is prevalent. The annual precipitation averages between 30 and 50 inches, while the mean monthly temperatures are at or above 64 degrees Fahrenheit. Less than 4 inches are received per month during the dry season for at least five months out of the year. Hence, option B is correct.
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The interior of the phospholipid bilayer is _______ meaning it repels polar molecules, such as water
The cell membrane's inside is hydrophobic, meaning that water won't cling to it. In order to effectively separate fluid inside the cell from fluid outside the cell, phospholipids form a two-layer cell membrane.
Why do polar molecules repelled by the phospholipid bilayer?Large hydrophilic polar or ionic molecules find it difficult to pass through the phospholipid bilayer. The cell membrane prevents the passage of any size charged atoms or molecules.
What component of the phospholipid bilayer is water-repellent?While the tails (the lipid component) are non-polar, the heads (the phospho part) are polar. The tails, which face the inside of the cell membrane, are "hydrophobic" (fearful of water), whereas the heads, which make up the exterior and inner linings, are "hydrophilic" (lovers of water).
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What was Simards first aha moment that there might be more to how trees coexist than we know
Answer:
Her “aha” moment was when her dog Jigs fell into the outhouse by the lake.
Explanation:
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Bacteria, like most forms of life use ___ to reduce the activation energy of metabolic reactions.
select all correct answers
Bacteria, like most forms of life use ___ to reduce the activation energy of metabolic reactions.
select all correct answers
catalysts
resonance structures
entropy
photons
enzymes
Answer:
Catalysts, enzymes
Explanation:
Catalysts are known for reducing the activation energy of a reaction thus increasing the reaction rate.
Enzymes are a type of catalyst.