Hydropathy plot analysis of a protein of interest reveals a single, prominent hydrophobic peak. However, it is later discovered that this protein is soluble and not membrane associated. What may have caused the hydropathy plot to be misleading? a. The protein is a globular protein that contains both a helices and sheets. b. The protein contains several a helices that maintain its structure. c. The protein contains B sheets with stretches of hydrophobic residues. d. The protein contains a single a helix in its hydrophobic core.
Answers
Hydropathy plot analysis of a protein of interest reveals a single, prominent hydrophobic peak. However, it is later discovered that this protein is soluble and not membrane-associated. The protein contains β-sheets with stretches of hydrophobic residues.
β-sheets are made up of strands of amino acid chains that run parallel or antiparallel to each other. These sheets have alternating patterns of hydrogen bonds between carbonyl and amide groups, giving them stability. Some amino acids, such as valine and isoleucine, are hydrophobic, and when they are present in β-sheets, they create hydrophobic patches that can interact with other hydrophobic surfaces.
Therefore, the presence of a stretch of hydrophobic residues in a β-sheet can produce a hydrophobic peak on a hydropathy plot. As a result, despite the fact that the protein is soluble and not membrane-associated, the hydropathy plot may indicate the presence of a hydrophobic membrane-spanning region.
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Related Questions
with what vitamin is opsin usually associated in the body?
Answers
We can see here that Opsin usually associated with Vitanmin A in the body.
What is Opsin?Opsin is a protein found in the retina of the eye and is a key component of the visual pigments involved in vision. It is usually associated with Vitamin A in the body.
There are several types of opsins, each specialized for detecting specific ranges of light wavelengths. For example, rhodopsin is an opsin found in rod cells of the retina, which is responsible for low-light and night vision. Other opsins, such as the cone opsins, are responsible for color vision and are sensitive to different colors of light.
Vitamin A plays a crucial role in vision because it is used in the synthesis of the light-sensitive pigment called rhodopsin. Rhodopsin consists of the protein opsin bound to a molecule called retinal, which is derived from Vitamin A.
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(EARTH SCIENCE) PLS HELP!?
What is the difference between erosion and deposition?
A. Erosion is the accumulation of sediments in low-lying areas due to the action of gravity, water, ice, or wind; deposition is the breaking down of rocks into sediments by physical or chemical processes.
B. Erosion is the breaking down of rocks into sediments by physical or chemical processes; deposition is the accumulation of sediments in low-lying areas due to the action of gravity, water, ice, or wind.
C. Erosion is the removal of sediments by gravity, water, ice, or wind; deposition is the accumulation of sediments in low-lying areas due to the action of gravity, water, ice, or wind.
D. Erosion is the breaking down of rocks into sediments by physical or chemical processes;
deposition is the removal of sediments by gravity, water, ice, or wind.
Answers
Answer: C. Erosion is the removal of sediments by gravity, water, ice, or wind; deposition is the accumulation of sediments in low-lying areas due to the action of gravity, water, ice, or wind.
Explanation: Erosion is taken away and deposition is displacement or movement from one area to another. In both cases, there is movement and a change in the surface.
which of the following statements regarding cell division in humans is true? group of answer choices mitosis produces cells that have a haploid number of chromosomes. meiosis produces cells that have a diploid number of chromosomes. meiosis produces cells that have a haploid number of chromosomes.
Answers
Meiosis produces cells that have a haploid number of chromosomes of the following statements regarding cell division in humans is true.
The correct option is C.
The thread-like chromosomes that convey the genetic data from cell to cell are formed of protein and a single DNA molecule. Chromosomes are found in the nucleus of cells in both plants and animals, including humans.
Who is the chromosome's father?Hermann Henking in Leipzig was the first to recognise the X chromosome's unique characteristics in 1890. Henking discovered that one chromosome did not participate in meiosis while researching the testicles of Pyrrhocoris. The reason why chromosomes get this moniker is because they may absorb stains (chroma in Greek means color).
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The complete question is -
Which of the following statements regarding cell division in humans is true? A-Mitosis produces cells that have a haploid number of chromosomes.
B-Meiosis produces cells that have a diploid number of chromosomes.
C-Meiosis produces cells that have a haploid number of chromosomes.
what is the ripened ovary of an angiosperm called?
Answers
The ripened ovary of an angiosperm is called a fruit.
A fruit is referred to as the structure that bears seeds in flowering plants. In flowering plants, the fertilization process should take place, which ultimately results in the development of fruit.
The seeds of angiosperms are dispersed through their fruits. One of the sperm cells joins the egg inside an ovule, which is located below the flower, to complete the fertilization process. Both the ovary and the ovule continue to grow after fertilization.
Angiosperms, which are commonly known as fruits, are the seed-bearing organ of flowering plants. After flowering, the ovary produces fruits. Fruit is formed as the ovary ripens.
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1 point
2) 'Glucose + Yeast ---> Ethyl
Alcohol + Carbon dioxide' is the
equation of : *
O a) Nitrification
O b) Nitrogen fixation
O c) Pasteurisation
O d) Fermentation
Answers
Answer:
d. fermentation is the equation
make a claim about whether air is matter
Answers
Answer:
Air is matter because it's make up of a mix of different gases. These are made up of elements such as hydrogen, oxygen, and nitrogen, which are made of matter.
Explanation:
is there a word count requirement?
Answer:
Air is matter because it takes up space and has mass.
A way to prove this is by inflating a balloon. Before inflating, the balloon was empty and shapeless. When the balloon was filled with air you know it filled with something. That would be matter.
I NEED THIS QUICKLY
Describe the cycling of carbon in the carbon cycle as it passes through the living and nonliving components of the ecosystem. Draw a diagram of the carbon cycle.
In 3–5 sentences, describe how carbon dioxide levels can be reduced in the atmosphere.
Answers
The biogeochemical pathways that define how carbon content is maintained and balanced in the atmosphere and Earth are called the carbon cycle.
What is the purpose of Carbon cycle?Pathways describe the use of carbon compounds in various activities and sources through their natural origin where the main purpose is to balance carbon in an ecosystem of biotic and abiotic factors.
When the carbon passes through the biotic and abiotic factors the following takes place :
PhotosynthesisRespirationDecompositionThus, the biogeochemical pathways that define how carbon content is maintained and balanced in the atmosphere and Earth are called the carbon cycle.
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HELP ASP I SILL GIVE BRAILEST AND 10 points
Answers
The Bohr atomic model explains the radical departure first that incorporated quantum theory and predecessor of wholly quantum-mechanical models.
What is Bohr model ?
The postulates are electrons revolve around the nucleus in a specific circular orbits which are designated by the letter K,L,M.; Electrons move in particular orbit, they can neither gain nor loose energy and these orbits are called stationary orbits.
The electron jump from lower to higher orbit absorb energy and if an electron jump from high to lower then it release energy in the form of radiations.
The electron model is where the donors contribute the charge of an electron, and acceptors contribute a space for same, ultimately contributing a fictional positive charge.
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The Three Domain classification system developed by Dr. Woese is based partly on
O sensitivity to antivirals.
0RNA sequences
O enzyme similarities
ODNA sequences
Answers
The Three Domain classification system developed by Dr. Woese is based partly on RNA sequences.
Based on variations in the ribosomal RNA (rRNA) nucleotide sequences, membrane lipid structures, and antibiotic sensitivity, organisms can be categorized into one of three domains. The Archaea, Bacteria, and Eukarya are the three domains.
Based on variations in the 16S ribosomal RNA (rRNA) structure, Woese categorized them. Using the variations in the nucleotide sequence of 16S rRNA molecules, Carl Woese of the University of Illinois (USA) suggested a phylogenetic taxonomy of bacterial species in 1987.
The traditional prokaryote-eukaryote division and the five-kingdom concept were both challenged, and the 3-domain classification system was offered as an alternative.
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what type of bone tissue makes up the majority of the vertebral body
Answers
Answer:
if you want more explanation I can add to it
Explanation:
the spongy or cancellous bone tissue
Which one is the answer A B C or D
Answers
Answer:
theres nothing
Explanation:
Which of the following tools, produced through the cooperation of many nations, was designed to conduct space research and is
continuously manned by a team of astronauts?
A.
Hubble Telescope
B
International Space Station
C
Spitzer Space Telescope
Chandra X-ray Observatory
D
Answers
Answer:
B ISS
Explanation:
The ISS is a cooperation of the worlds largest nations and can have Russian astronauts, Americans and Italians i believe
glucose and sucrose belong to
Answers
Answer:
they belong in carbohydrates as they both make sugar
which of these biomolecules includes a polydentate ligand called a porphyrin? hemoglobin chlorophyll cytochrome c carbonic anhydrase
Answers
The biomolecule that includes a polydentate ligand called a porphyrin is chlorophyll. This is the correct answer.
Chlorophyll is a green pigment found in plants, algae, and some bacteria that are involved in the process of photosynthesis.
It contains a porphyrin ring, which is a complex ring structure composed of four pyrrole subunits, and a central magnesium ion.
The porphyrin ring acts as a polydentate ligand, meaning that it can form multiple bonds with a metal ion, such as magnesium.
This allows chlorophyll to absorb light energy and transfer it to other molecules during the process of photosynthesis.
Hemoglobin is a protein found in red blood cells that are involved in oxygen transport, but it does not contain a porphyrin ligand.
Cytochrome c is a protein that is involved in electron transport, and it contains a heme group, which is similar in structure to a porphyrin ring but has a different metal ion in the center.
Carbonic anhydrase is an enzyme that catalyzes the conversion of carbon dioxide and water into carbonic acid, but it does not contain a porphyrin ligand.
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In the chymotrypsin mechanism, what is used to stabilize the negative charge on the carbonyl oxygen of the transition state?.
Answers
Chymotrypsin is a type of digestive enzyme that catalyzes the hydrolysis of peptide bonds in proteins. In the chymotrypsin mechanism, the negative charge on the carbonyl oxygen of the transition state is stabilized by the oxyanion hole.
Oxyanion hole is a region in the chymotrypsin molecule consisting of four peptide bonds that stabilizes the negatively charged tetrahedral intermediate of the substrate transition state during the hydrolysis of the peptide bond by chymotrypsin.In chymotrypsin mechanism, the peptide bond between the carbonyl group of a peptide bond and an amino group of a second peptide bond is hydrolyzed via a nucleophilic attack by the hydroxyl group of serine residue on the carbonyl carbon of the substrate peptide bond.
The resulting tetrahedral intermediate is stabilized by the oxyanion hole, which prevents the intermediate from falling apart.The oxyanion hole stabilizes the negatively charged tetrahedral intermediate by forming hydrogen bonds with the carbonyl oxygen. This provides stability to the transition state and enables the reaction to proceed smoothly. It is an essential component of the chymotrypsin mechanism and is found in other serine proteases as well.Chymotrypsin is a key enzyme involved in protein digestion, and its mechanism of action is crucial for the proper functioning of the digestive system. The oxyanion hole is a critical component of this mechanism, providing the necessary stability to the transition state and enabling the reaction to proceed efficiently.
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name the nitrogenous Waste excreted by the following organisms;desert mole marine fish and tilapia
Answers
Answer:
Answer: Desert mole excretes concentrated urine with urea. Marine fish excretes urine with uric acid. Tilapia excretes dilute urine with amino acids.
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Desert mole excretes concentrated urine with urea. Marine fish excretes urine with uric acid. Tilapia excretes dilute urine with amino acids.
ThanksHope it helpsGregor Mendel noted that both tall and short pea plants are sometimes observed when crossing two tall pea plants. Which best describes his observations?
Answers
The parent plants were both heterozygous for the height gene.
When 2 pea plants are crossed by mating, they are referred to as the?Mendel examined a pea plant's various characteristics.As an illustration, some pea plants possess white blossoms while others have purple flowers.Pea plants have the option of self- or cross-fertilization.Hybridization is the process of crossing two plants.
If a tall plant crossed with such a small pea plant and the progeny were all tall, which rule of inheritance would be applicable?Segregationist law.Mendel put out the law of segregation after noticing that true-breeding pea plants with opposing features produced F1 generations that all displayed the dominant trait or F2 generations that expressed both dominant and recessive characteristics in a 3:1 ratio.
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What would the amino acid this DNA sequence CGA?.
Answers
Answer: mRNA: GCU : alanine
Explanation:
activation of a g protein in response to hormone binding requires binding of to the subunit. gdp; γ gtp; β gdp; β correct! gtp;
Answers
The activation of a G protein in response to hormone binding requires the binding of γ GTP to the subunit. G proteins are composed of three subunits: α, β, and γ.
When a hormone binds to a G protein-coupled receptor (GPCR), it induces a conformational change in the receptor, leading to the exchange of GDP (guanosine diphosphate) bound to the α subunit for GTP. This exchange triggers the activation of the G protein, causing the dissociation of the α subunit from the βγ subunits. The activated α subunit, now bound to GTP, can interact with downstream effector proteins to initiate intracellular signaling cascades. This process is an essential step in GPCR-mediated signal transduction pathways.
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what structural features of pine leaves adapt the tree for life in cold, dry environments?
Answers
Pine leaves possess several structural features that adapt the tree for life in cold, dry environments. These features include needle-like shape, thick cuticle, sunken stomata, and resinous coatings.
Pine trees thrive in cold, dry environments due to the structural adaptations of their leaves. Firstly, pine leaves have a needle-like shape, which reduces surface area and minimizes water loss through evaporation. The reduced surface area also helps prevent excessive cooling in cold climates.
Secondly, pine leaves have a thick cuticle, which is a waxy layer on the leaf surface. The thick cuticle acts as a barrier, reducing water loss through transpiration and protecting the leaf from desiccation in dry conditions.
Thirdly, the stomata on pine leaves are sunken or located in pits. This positioning helps to reduce water loss by creating a microclimate that traps moist air around the stomata, reducing the gradient for water diffusion.
Lastly, pine leaves are often coated with resinous substances. These coatings provide additional protection against water loss and also serve as a defense mechanism against herbivores and pathogens.
Together, these structural features of pine leaves enable the trees to conserve water and survive in cold, dry environments, where water availability may be limited and the risk of desiccation is high.
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the three nucleotide sequence on mrna is called an anticodon(True/False)
Answers
The statement "the three nucleotide sequence on mRNA is called an anticodon" is false.
The three-nucleotide sequence on mRNA is called a codon, not an anticodon. The codon is responsible for encoding specific amino acids during protein synthesis. Each codon corresponds to a particular amino acid or a stop signal.
On the other hand, the term "anticodon" refers to the three-nucleotide sequence found on transfer RNA (tRNA). The anticodon is complementary to the codon on the mRNA during translation. This complementary binding ensures the accurate pairing of the correct amino acid with the mRNA codon.
The interaction between the codon on the mRNA and the anticodon on the tRNA is vital for the synthesis of proteins according to the genetic code.
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which of the following is a trait not shared by birds and placental mammals? group of answer choices secretory glands endothermy homeothermy amniotic egg
Answers
The trait not shared by birds and placental mammals is the amniotic egg. Birds are a type of animal that belongs to the Aves class and has feathers, wings, and a beak.
Birds are bipedal, which means they walk on two legs. Their forelimbs have evolved into wings, which they use to fly. The class Mammalia contains placental mammals, which have a placenta that nourishes their developing offspring. Placental mammals are characterized by their hair, three ear bones, and mammary glands, which produce milk to nourish their young.
Placental mammals have live births and are the most diverse and successful of all mammalian groups. Amniotic egg is an egg that is enclosed in a membrane and is laid on land by reptiles, birds, and egg-laying mammals.
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Select the correct answer.
According to Watson and Crick's model of DNA structure, how many strands are present in a fragment of DNA?
O A. one
OB. two
O C.
three
OD. four
Reset
Next
4
Answers
Two to Watson and Crick's model of DNA structure, how many strands are present in a fragment of DNA.
A DNA fragment contains how many strands?B. Two. Watson and Crick's model of DNA structure, which was published in 1953, proposed that DNA has a double helix structure made up of two strands of nucleotides.Each strand is composed of a sugar-phosphate backbone that runs along the outside of the helix, with the nucleotides bonded to the backbone.The two strands of the helix are held together by hydrogen bonds between complementary bases (adenine to thymine and guanine to cytosine) that are found in the middle of the helix.The two strands are coiled in a spiral around a common axis, providing stability and allowing for replication of the DNA.In the Watson and Crick model, the double helix structure is made up of two strands of nucleotides, so the correct answer is B. Two.Watson and Crick's model of DNA structure is one of the most crucial discoveries in the history of science. It proposes that DNA is composed of two strands of nucleotides wound around each other in a double helix structure. This structure is held together by hydrogen bonds between the complementary base pairs (A-T and C-G). Each strand of the double helix is made up of a sugar-phosphate backbone, with the nitrogenous bases attached to the sugar molecules.The two strands are antiparallel, meaning that the 5' end of one strand is paired with the 3' end of the other, and vice versa. The size of a DNA fragment will determine the amount of nucleotides present, but the number of strands will always remain two.To learn more about Watson and Crick's model of DNA structure refer to:
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Two to Watson and Crick's model of DNA structure, how many strands are present in a fragment of DNA.
DNA fragment contains how many strands? Two. Watson and Crick's model of DNA structure, which was published in 1953, proposed that DNA has a double helix structure made up of two strands of nucleotides.Each strand is composed of a sugar-phosphate backbone that runs along the outside of the helix, with the nucleotides bonded to the backbone.The two strands of the helix are held together by hydrogen bonds between complementary bases (adenine to thymine and guanine to cytosine) that are found in the middle of the helix.The two strands are coiled in a spiral around a common axis, providing stability and allowing for replication of the DNA.In the Watson and Crick model, the double helix structure is made up of two strands of nucleotides, so the correct answer is B. Two.Watson and Crick's model of DNA structure is one of the most crucial discoveries in the history of science. It proposes that DNA is composed of two strands of nucleotides wound around each other in a double helix structure. This structure is held together by hydrogen bonds between the complementary base pairs (A-T and C-G). Each strand of the double helix is made up of a sugar-phosphate backbone, with the nitrogenous bases attached to the sugar molecules.To learn more about Watson and Crick's model of DNA structure refer to:
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Which type of micro-organism makes its own food, like plants do?
a - algae
b - protozoa
c - bacteria
d - yeast
Answers
Answer:
algae. I just looked it up. algae are autotrophs meaning they make their own food. I hope this helps!
Answer:
algae is your answer
Explanation:
hope help yiu
which types of animals are kept in metazoa
Answers
Answer:
the answer is birds, amphibians, reptiles, and mamals
Explanation:
all multicellular and are collectively referred to as Metazoa
where is the point of maximal impulse (pmi) found in a 5-year-old child?
Answers
In a 5-year-old child, you can find it by palpating the PMI that is the point of maximal impulse at about the 3rd or 4th intercostal space at about the midclavicular line.
The ideal place to feel the cardiac impulse on the chest wall is at the point of maximum impulse (PMI). This frequently occurs near the midclavicular line, fifth intercostal gap. This may move laterally in the presence of dilated cardiomyopathy.
You may locate it in a 5-year-old child by palpating the PMI, or point of maximal impulse, which is located in the third or fourth intercostal gap, close to the midclavicular line. This often originates from the heart's apex or tip, also known as the apical impulse.
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Which statements describe the importance of the nitrogen cycle to living things? Check all that apply.
Answers
Answer:
The nitrogen cycle is very important for living organisms and is biologically usable by them. Very essential for the elaboration of DNA, amino acids, proteins and nucleic acids and fundamental for the development or productivity of agriculture.
Explanation:
What makes sperm and testosterone
Answers
Answer:
your brain makes special hormones called GnRH, and these hormones signals the testes to make more testosterone.
Explanation:
i hoped this helped:)
List the cardinal symptoms of diabetes mellites, and provide the rationale for the occurrence of each symptom.
1-
2-
3-
Can someone help me with this as soon as possible please?
Answers
Here are listed the key clinical symptoms of diabetes mellitus.
What causes diabetes primarily?Most kinds of diabetes lacked a known precise cause. Sugar accumulates in the circulatory system in every situation. This is as a consequence of poor insulin production by the pancreas.
1. Increased urination volume and regularity is known as polyuria.
Reason: High blood sugar levels in diabetes may make it harder for the kidneys to filter and digest more glucose, which increases urine production.
2. Polydipsia: high moisture and severe thirst.
Reason: Frequent urination can cause constipation, which sets off the body's thirst response.
3. Polyphagia is characterized by gorging and excessive hunger.
Justification: Insulin deficiency or impaired glucose tolerance can block the uptake of glucose by cells, causing cellular hunger and increased hunger.
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Students investigate how soil pH affects the height of tomato plants. Each of six tomato plants receives the same amount of
light each day and is planted in the same size pot and given the same amount of water. Each plant is planted in soil with a
different pH What is the dependent variable in the investigation?
Сь
Ос
Od
The size of the pot in which the plants are grown
The pH of the soil in which the plants are grown
The amount of water given to the tomato plants
The height to which to tomato plants grow
Answers
Answer:
The height to which to tomato plants grow
Explanation:
In an experiment, the dependent variable is the variable that the experimenter measures. It is the variable that responds to changes made to the independent/manipulable variable.
According to this question, students investigate how soil pH affects the height of tomato plants. The different pH each plant receives is the independent variable while the HEIGHT OF THE PLANTS that responds to the soil pH or that is measured by the students is the DEPENDENT VARIABLE.