This suppressor mutation is most likely a DNA sequence that encodes: The TBP domain of the TFIID protein
A suppressor mutation is a second mutation that mitigates or reverses the phenotypic consequences of an already existing mutation in a process known as a synthetic rescue. Therefore, genetic suppression brings back the phenotype that existed before the initial background mutation.
TATA-binding protein (TBP) and a collection of evolutionarily conserved proteins called TBP-associated factors (TAFs) make up the TFIID protein. To the lp with complex assembly and transcription initiation, TAFs can change general transcription factors (GTFs), operate as coactivators, recognize promoters, and engage in basal transcription. TATA-binding protein (TBP), a protein that binds to TATA, is encoded by this gene. The N-terminal region of TATA-binding protein (TBP) is characterized by a lengthy glutamine chain. This area of the protein controls how actively the C terminus binds to DNA, and changes in DNA binding impact how quickly transcription complexes assemble and how quickly transcription begins. Spinocerebellar ataxia 17 is a neurological ailment that is categorized as a polyglutamine disease. It is caused by an extension of the number of CAG repeats, which normally ranges from 25 to 42 and increases the length of the polyglutamine string.
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an athlete is nearing the end of a race and her cells are low on oxygen. what is most likely to occur in her cells so that glycolysis can continue to produce atp? responses fermentation fermentation cell-to-cell communication cell-to-cell communication dna synthesis uppercase d n a, synthesis protein synthesis protein synthesis
An athlete is nearing the end of a race and her cells are low on oxygen. Fermentation is most likely to occur in her cells
What is glycolysis?
It is referred to as the “sweet splitting process” since it indicates the conversion of sugars that are sweet to the tongue. Six carbon sugars are transformed into a three carbon sugars. It is at this time of conversion that energy is released. Glycolysis can occur in absence or presence of oxygenBoth fermentation and glycolysis produce ATP, and both are involved in the production of energy and supplying it to cellsWhat is Fermentation?
It is an anaerobic pathway- a common pathway in the majority of prokaryotes and unicellular eukaryotes. In this process glucose is partially oxidised to form acids and alcohol.In organisms like yeast, pyruvic acid formed by partial oxidation of glucose is converted to ethanol and carbon dioxide (CO2). ). This anaerobic condition is called ethanol fermentationIn certain bacteria and animal muscle cells, under anaerobic conditions, pyruvic acid is reduced to lactic acid by lactate dehydrogenase. This is called lactic acid fermentation.Learn more about fermentation at - Brainly.com https://brainly.com/question/11554005
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During _____of the cell cycle, the cell grows and replicates both its organelles and its chromosomes.
Answer:
interphase
Explanation:
In the cell cycle the longest stage is interphase. This is when the cell grows and copies its DNA before moving into mitosis.
Which term applies to an individual who possesses two recessive alleles for the same trait? Choose the correct answer.
mutated
O haploid for the trait
O homozygous for the trait
heterozygous for the trait
The term applies to an individual who possesses two recessive alleles for the same trait and is homozygous for the trait. Option B.
The genotype is formed by the combination of alleles that an organism has. If the paired alleles are the same, the organism's genotype is said to be homozygous for that trait, and if they differ the organism's genotype is said to be heterozygous. Homozygosity also refers to a genotype consisting of two identical alleles of a gene for a particular trait. An individual can be homozygous dominant or homozygous recessive.
In complete dominance, only one allele of the genotype is present in the phenotype. In codominant cases, both alleles of a genotype are present in the phenotype. In the case of imperfect dominance, the phenotype shows a mixture of genotypic alleles. Homozygous and heterozygous are terms used to describe a pair of alleles. Individuals who have two identical alleles are said to be homozygous. Individual organisms with different alleles are said to be heterozygous.
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sometimes tectonic plates shift past each other in____ directions at their boundary
sometimes tectonic plates shift past each other in divergent directions at their boundary
What is a tectonic plate?A tectonic plate or lithospheric plate is a massive, irregularly shaped solid rock composed of both continental and oceanic lithosphere.
The Plate size can vary greatly that is from a few hundred to thousands of kilometers across the Pacific and Antarctic Plates and the Plate thickness also varies greatly.
Continental crust is made up of granitic rocks which contain relatively lightweight minerals such as quartz and feldspar where as oceanic crust is made up of basaltic rocks, which are much denser and heavier.
Most of the boundaries between the plates is not seen, because they are hidden beneath the oceans and oceanic plate boundaries can be mapped accurately.
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what type of mutation in this non-autonomous te (ds) would allow it to move in the presence of an autonomous te (ac)?
Transposase gene mutation in this non-autonomous te (ds) would allow it to move in the presence of an autonomous te (ac).
An alternate inside the ordinary DNA series at a specific gene locus. although the time period often has a bad connotation, mutations (which includes polymorphisms) may be harmful, useful, or neutral in their effect on cell feature.
There are 3 sorts of DNA Mutations: base substitutions, deletions, and insertions. 1. Base Substitutions. single base substitutions are known as factor mutations, taking into account the factor mutation Glu -----> Val which causes the sickle-cell disorder. factor mutations are the maximum common form of mutation and there are sorts.
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n
6. Even a gene mutation that is a point mutation, meaning it affects
that nucleotide base, can still make a major change
Consider the below information for normal hemoglobin:
ns)
portion of
Hemoglobin DNA
MRNA
AMINO Acids
Sickle Cell Anemia is caused by a point mutation known as a substitution. Show
what would occur if the first T ("thymine") DNA base in the portion shown above
experienced a mutation with a substitution of A ("adenine").
Sickle Cell Hemoglobin:
CCU-GAC1-GAG
mRNA:
GGA CTC CTC
CCU GAG GAG
Proline-Glutamic Acid-Glutamic Acid
Portion of mutated hemoglobin DNA:
Amino Acids:
Amino acids involved in the sickle cell anemia is Proline-Valine-Glutamic acid.
What is sickle cell anemia?Sickle cell is an inherited disease caused by a defect in a gene. A person will be born with sickle cell disease only if two genes are inherited—one from the mother and one from the father.
Sickle cells that block blood flow to organs deprive the affected organs of blood and oxygen. In sickle cell anemia, blood is also chronically low in oxygen. This lack of oxygen-rich blood can damage nerves and organs, including kidneys, liver and spleen, and can be fatal.
Stem cell or bone marrow transplants are the only cure for sickle cell disease, but they're not done very often because of the significant risks involved. Stem cells are special cells produced by bone marrow, a spongy tissue found in the centre of some bones.
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Answer:NRNA is
Explanation:
In molecular biology, messenger ribonucleic acid is a single-stranded molecule of RNA that corresponds to the genetic sequence of a gene, and is read by a ribosome in the process of synthesizing a protein.
How can the increase demand on water affect water quality
Answer:
The increase demand on water would cause companies in those industry's to increase there production to keep up with demand. In doing that they would have to filter less of the water in return to produce more water for demand. Making the quality less and less because of this reason.
Explanation:
Which of the following best describes the features of an ocean ridge?
A. Ocean ridges have steep slopes and a crater.
B. Ocean ridges have gentle slopes and only span a small distance.
C. Ocean ridges have steep slopes and can span a large distance.
D. Ocean ridges have gentle slopes and a crater.
The correct answer about the best description of ocean ridges characteristics from the options above is:
Ocean ridges have steep slopes and can span a large distance.
The answer is option c
What is meant by ocean ridges?Ocean ridges can simply be defined as those submarine mountain chains resulting from the ocean floor rising. That being said, these ocean ridges appear to girdle the earth.
Generally speaking, there are four major types of ocean ridges. These are as follows:
Feacture-zone ridgesSpreading-center ridgesBasaltic-volcanic ridgesIsland arc ridges.In conclusion, it can be deduced from the explanation above that ocean ridges have steep slopes and can span a large distance
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two-species interactions are classified by the impact each species has on the other. thus, a competitive interaction is one where the populations of each species are hut by the presence of the other species, usually because each species uses the same resources. niche patitioning enables species to coexist by
By preventing direct competition, niche partitioning allows species to coexist.
Why is the competitive and beneficial interactions between species crucial to the ecosystem's health?Numerous ecological characteristics and functions, including food webs and nutrient cycles, are based on interactions between species. Depending on the evolutionary context and environmental circumstances in which they take place, the nature of these interactions can change.
As a result, a competitive interaction is one in which the presence of another species negatively affects the populations of both species. This typically happens because both species depend on the same resources. By preventing direct competition, niche partitioning allows species to coexist.
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Genetic drift is best described as the redistribution of the frequency of gene occurrence in a(n) _______. a. population b. organism c. ecosystem d. disaster please select the best answer from the choices provided a b c d
Genetic drift is best described as the redistribution of the frequency of gene occurrence in a(n) a. population.
In the field of biology, genetic drift can be described as a random event in which the allele frequency for a certain population modifies or changes due to an unexpected event.
A gene frequency that was low might become higher and vice versa as a result of genetic drift.
This shift in allele frequency, referred to as genetic drift, might also cause an allele to completely disappear from a certain population.
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Oxygen is important in the oxidation of glucose because it ____________________________.
Answer:
Oxygen is important in the oxidation of glucose because it is highly electronegative.
Explanation:
Why isn't there more information about the dangers of sugar?
Answer:
Because the dangers are affecting your body slowly and people realize it many time later
Explanation:
What are the primary and secondary sources of energy?
Answer:
Primary energy consists of unconverted or original fuels. Secondary energy includes resources that have been converted or stored. For example, primary energy sources include petroleum, natural gas, coal, biomass, flowing water, wind, and solar radiation.
Explanation:
Because they lack well-defined and complex organ systems, we hypothesize that _____ diverged from all other animals early in the evolution of animals.
Because they lack well-defined and complex organ systems, we hypothesize that poriferans diverged from all other animals early in the evolution of animals.
It is very likely that the Porifera, the most ancient animal group, originated in the Precambrian because they have an early branch on the animal phylogenetic tree. The common word for poriferans is sponge. Sponge evolution diverged from the development of other metazoans during an early branching event. This might be one of the causes for their lack of a distinct and intricate organ system.
Poriferans don't have mouths, instead they drink water through tiny pores in their outer walls. Spicules, the animals' tough support structure, were previously one of the main ways to identify sponges.
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ntraspecific competition among planthoppers . intraspecific competition among planthoppers . results in increased development time. occurs via resources rather than interference. results in reduced survivorship. all the above.
'ntraspecific competition among planthoppers. intraspecific competition among planthoppers . results in increased development time. Occurs via resources rather than interference. Results in reduced survivorship. All the above. All of the choices are correct.
At large population densities, intraspecific competition can be fierce and detrimental to fitness. Low survival rates, sluggish growth, diminished fecundity, and decreased reproductive rates are caused by high population density.
What about intraspecific competition?When members of the same species compete against one another, this is known as intraspecific competition. Depending on the type of competition that exists, each individual within the species will be affected differently by it. Competition in a "contest" might be active or passive and have many effects. Members of the same species may compete with one another for food, shelter, water, and mates in intraspecific competition. Members of various species compete with one another across interspecific boundaries. For instance, various species of predators may engage in competition over the same prey. Pertaining to or occurring within a single species. Because the resource requirements of members of the same species are relatively comparable whereas those of different species are less similar, intraspecific rivalry tends to be more powerful than interspecific competition. One common theory is that intraspecific competition for scarce dietary resources is the reason why the egg yield of the individual parasite declines with population density. Many sea urchins may experience changes in growth, reproduction, and morphometry due to intraspecific competition). Similar results from C. rodgersii experiments show a high degree of plasticity in development and morphology in many habitat types. Interspecific competition has a negative overall effect on both participating species (a -/- interaction). In other words, if the other species didn't exist, each one would thrive more.
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1. with regard to linked genes on the same chromosome, which of the following statements is false? a. crossing over is needed to produce nonrecombinant offspring. b. crossing over is needed to produce recombinant offspring. c. crossing over is more likely to separate alleles if they are far apart on the same chromosome. d. crossing over that separates linked alleles occurs during prophase of meiosis i.
With regard to linked genes on the same chromosome, the following statements is false a.) crossing over is needed to produce the nonrecombinant offspring.
What are linked genes?When genes are present on different chromosomes or far apart on the same chromosome, they assort independently and can be said to be unlinked.
Genes are said to be linked when they are closely together on the same chromosome. Sex-linked genes are located on sex chromosome and X-linked genes are located on X chromosome. The crossing over frequency between genes can be used to construct linkage maps that show the locations of genes on chromosomes.
Genetic linkage analysis helps in determining whether the disease phenotype is caused by mutation in a single gene.
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Explain how the lab demonstrated the energy transformation that occurs within photosynthesis. Make sure you include the following words in your response: photosynthesis, light energy, glucose, carbon dioxide, oxygen, and chemcial energy.
In the lab, we can use cells of leaves containing chlorophyll molecules in the chloroplasts to see how sunlight excites electrons in presence of carbon dioxide and it generates simple carbohydrates (chemical energy) as occur during photosynthesis.
What is the biological pathway of photosynthesis?The biological pathway of photosynthesis refers to a series of chemical reactions by which plants use sunlight (light energy), water and carbon dioxide in order to generate oxygen as a byproduct and chemical energy contained in the bonds of carbohydrates, especially simple carbohydrates such as glucose molecules.
Therefore, with this data, we can see that the biological pathway of photosynthesis is known to generate chemical energy in the form of simple carbs such as glucose and saccharose macronutrients which are the result of using the light energy from the sun and carbon dioxide present in the surrounding environment.
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What steps does the cell take to speed up the rate of DNA replication?
Label the parts of the below lipid molecule.
Is this a saturated or unsaturated lipid? __________________________
The lipid molecule shown in the image is a satured lipid.
What is a satured lipid?Saturated fatty acids are long carboxylic chains without double bonds in their structure jointly linked to a glycerol molecule. Saturated fatty acids are usually found in lipids and are solid at room temperature. Saturated fatty acids will contain many hydrogen atoms attached to their chain.
Its structure is linear and straight since it does not have double bonds in its hydrocarbon chain, like unsaturated fatty acids, so they can stay close to each other. For this reason its solid composition.
Therefore, we can confirm that the lipid molecule shown in the image is a satured lipid.
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which of the following observations tells a scientist that the organism she is observing is a eukaryote? group of answer choices the organism has ribosomes the organism has a membrane bound nucleus the organism is unicellular the organism has a cell membrane
Answer: organism has a membrane bound nucleus.
Explanation:
Eukaryotic cells have a nucleus which has nuclear membrane & in prokaryotic cells DNA is not contained in a membrane bound nucleus it is simply in a region of the cell called the nucleoid.
Which statement describes one difference between eukaryotic cells and prokaryotic cells
A Only eukaryotic cells are found in unicellular organisms
B Eukaryotic cells are smaller and less complex than prokaryotic cells
C Only eukaryotic cells contain DNA
D Only eukaryotic cells have specialized organelles enclosed in membranes
The one difference between eukaryotic cells and prokaryotic cells is that only eukaryotic cells have specialized organelles enclosed in membranes.
The single membrane layer surrounds the prokaryotic cells but there are two surrounding membranes in the case of eukaryotic cells which are the plasma membrane and the nuclear membrane. The cell wall in the plasma membrane is made up of carbohydrates, lipids, proteins, and certain amino acids, whereas chitin and cellulose combine together to make up the cell wall of eukaryotic cells. The cell membrane of the prokaryotic cells contains the Respiratory enzyme while the cell membrane of the eukaryotic doesn't contain this enzyme. In prokaryotic cells, endocytosis and exocytosis do not occur and it takes place in many protists and also in animals.
I hope this answer helps.
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downregualtion of reurotransmitter receptors in response to long-term osychoactive drug use is an example of
Down-regulation of neurotransmitter receptors in response to long-term psychoactive drug use is an example of functional tolerance.
Humans and animals acquire tolerance when their brain functions adjust to compensate for the disruption produced by alcohol in both their behavior and physical functioning. This is referred to as functional tolerance.
Functional tolerance enables an individual to function normally when inebriated, concealing their intoxication from others.
It is one of the most common types of tolerance to drugs or alcohol that a person can have.
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you are studying the dna of a person who you know has two defective copies of the gene that encodes phenylalanine hydroxylase. you are surprised to find that this person also carries two defective copies of the gene for homogentisic acid oxidase. what disease symptoms will this person exhibit? (assume pathway intermediates are not available from sources outside the phenylalanine breakdown pathway.)
This person will exhibit symptoms of Alkaptonuria
Defective homogentisic acid oxidase gene causes alkaptonuria, and deficient phenylalanine hydroxylase gene causes phenylketonuria.
Due to an incomplete oxidation of tyrosine and phenylalanine caused by the genetic condition known as alkaptonuria, higher levels of homogentisic (or melanic) acid are produced. Ochronosis and phenylketonuria are other names for it.
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discussing the major body systems on the circulatory system.
The parts of your circulatory system are your: Heart, a muscular organ that pumps blood throughout your body. Blood vessels, which include your arteries, veins and capillaries. Blood, made up of red and white blood cells, plasma and platelets.
Circulatory system is made up of the following components: The heart is a muscular organ that circulates blood throughout your body. Blood vessels are made up of arteries, veins, and capillaries. Blood, which is composed of red and white blood cells, plasma, and platelets.
Your circulatory system transports oxygen and nutrients to your body's other cells, then collects any waste products produced by these cells, including carbon dioxide, and transports these waste products to your kidneys and lungs for disposal.
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Paul has been sick for several days and has
a fever of 102. A few days ago, he visited
the ER, where the attending physician
diagnosed him with a bacterial infection. It's
been 3 days, but Paul's body has been
unable to fight the infection.
Bloodwork has been completed and lab
results indicate that the vacuoles in Paul's
white blood cells are successfully trapping
the bacteria; however, the organelle
responsible for releasing enzymes that
break down the bacteria's cell walls is not
working properly.
Which organelle
is malfunctioning?
Diabetes, heart disease, Alzheimer's, Parkinson's, and even normal aging have all been related to dysfunctional mitochondria.
What do the makeup and purposes of mitochondria entail?Cell organelles called mitochondria, which are membrane-bound, generate the majority of a chemical energy needed to power a cell's metabolic processes (plural: mitochondrion). The chemical energy produced by the mitochondria is stored in a little molecule called adenosine triphosphate (ATP).
What do mitochondria have importance?As the energy generators in almost every human cell (as well as those of animals, plants, and fungi), mitochondria play a crucial part in generating energy to power cellular function and pretty much all of our biological activities.
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adenosine inhibits other neurons in the brain. specifically, it inhibits the release of excitatory neurotransmitters and decreases the effect of dopamine. during the day, adenosine levels rise, and adenosine acts on its receptor to inhibit other neurons. specifically, what effects would caffeine have?
Caffeine prevents adenosine from binding, which results in an increase in dopamine and a shift in perspective as well as less weariness.
The parasympathetic nervous system is affected by caffeine. the main organs, including the brain. Caffeine impacts the activity within the neuron cell as it attaches to the adenosine receptor, it inhibits the adenosine receptor.
Caffeine use frequently causes dilated pupils, tremors, anxiety, restlessness, and irritability, among other physiological consequences.
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Answer all please I need it asap
1. A(n) _____________________ transports electrons, along with their energy, to another molecule.
2. What is the equation for photosynthesis?
3. In the __________________________, NADPH and ATP combine with carbon dioxide to produce sugars.
4. In the _________________________, light energy from the sun splits water and generates ATP and NADPH.
5. True / False: Chloroplasts are organelles found in the cells of heterotrophs.
6. True / False: Autotrophs need light in order to carry out photosynthesis.
1. An electron carrier transports electrons and their energy to another molecule.
2. The equation of photosynthesis is 6CO₂ + 6H₂O → C₆H₁₂O₆ + 6O₂
3. In the stroma NADPH and ATP combine with carbon dioxide to produce sugars.
4. In the thylakoid membrane, light energy from the sun splits water and generates ATP and NADPH.
5. Chloroplasts are not found in heterotrophic cells.
6. Autotrophs need light to carry out photosynthesis.
Why are the answers correct?
An electron carrier is an important molecule involved in cellular respiration as it transports electrons, along with their energy, to another molecule.
Photosynthesis is the process by which plants and organisms such as algae use energy from the sun to convert water, and carbon dioxide to produce oxygen and sugar.
The stroma uses ATP and NADPH in the next stage of photosynthesis to produce three-carbon sugars.
The thylakoid membrane contains chlorophyll and is located in the stroma where the light energy from the sun splits water and generates ATP and NADPH.
In summary, chloroplasts are organelles found in the cells of autotrophs and not heterotrophs.
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what was a crucial advantage of the daguerreotype method? group of answer choices no darkroom required shorter exposure times it allowed multiple copies to be made from a single negative it resulted in sharper images than the competition
Crucial advantage of the daguerreotype method is that it resulted in sharper images than the competition.
Daguerreotypes was an early photographs method on a light-sensitive metal plate coated in crystals. A daguerreotype just needed just twenty minutes exposure. Daguerreotype, produced an opaque original positive that could be duplicated only by copying it with a camera.
There are advantages of the daguerreotype they produce crystal clear images , It was the first commercially successful photography method in photography history . other disadvantage includes it has a long exposure time, it is expensive, and the cameras are very large.
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which of these is a feature of most shield volcanoes? broad base, steep sides, violent eruptions, or thick lava?
Answer: Broad Base
Explanation:
which of the following types of pathogens are most likely to be transmitted vertically by the maternal-parturition route? select one: a. foodborne pathogens b. vector-borne pathogens c. pathogens transmitted horizontally by the urogenital-sexual route d. pathogens transmitted horizontally by the respiratory-aerosol route e. none of the above
Pathogens are most likely to be transmitted vertically by the maternal-parturition route are Pathogens transmitted horizontally by the urogenital-sexual route. So the correct option is c.
An organism that infects its host with disease is referred to as a pathogen, and the severity of the disease symptoms is referred to as virulence. Pathogens come in many forms, including bacteria, viruses, and multicellular and unicellular eukaryotes.
The urine tract and the genital tract are the two primary divisions of the urogenital system. Urine is produced, stored, and eliminated by the urinary tract, made up of the kidneys, ureters, urinary bladder, and urethra.
The majority of primary genitourinary infections are sexually transmitted, and common pathogens include viruses, bacteria, parasites, and bacteria including Treponema pallidum, Neisseria gonorrhoeae, Chlamydia trachomatis, and Trichomonas vaginalis (herpes simplex virus, human papillomavirus, human immunodeficiency virus).
While vertical transmission occurs from mothers to their offspring, horizontal transmission occurs between members of the same generation.
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