When the mRNA sequence changes from CCC GGG to CCG GGG, the mutation is quiet and point-like.
Regenerative medicine: What is it?Growing specialized tissues for spinal cord injuries, diabetes, cancer, multiple sclerosis, Parkinson's illness, and many other now unimagined applications has been the focus of regenerative medicine.
Only one nitrogenous base is exchanged for another in this form of mutation. If the codon that results codes for the same amino acid, then this could be silent.
Here, a point mutation occurs as the CCC codon changes from CCG to a single base, making it a point mutation.
Because both codons encode the proline, the mutation is quiet.
As a result, a mutation from CCC GGG to CCG GGG in the mRNA sequence will be silent and point-like.
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Pretend you are a scientist observing three different varieties of a single bird species that are part of the same population. What genetic variations exist in your population?
In a population of birds, genetic variation can exist in a variety of ways. Here are some examples:
Allelic variationChromosomal variationMolecular variationWhat is the meaning of these variations?Allelic variation: This is variation in the genes themselves. Birds in the population could have different versions of the same gene, known as alleles.
Chromosomal variation: This is variation in the structure or number of chromosomes. For example, one bird might have an extra copy of a chromosome while another bird might have a missing chromosome.
Molecular variation: This is variation at the molecular level, such as differences in DNA sequences. Birds in the population could have different DNA sequences that result in differences in traits such as feather color or beak shape.
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Consider the shapes of the cells in the top half of the tissue shown in the picture.
Which geometric solid is the best model for a cell in the bottom two layers of cells?
Answer:
I need to see the picture to answer the question... Could you post a pic of it, please?
How are soluble food molecules absorbed into the epithelial cells of the small intestine
Soluble food molecules are absorbed into the epithelial cells of the small intestine through the process of diffusion and active transport.
Into what two groups are most things in the world divided?
Answer:
Groups
Explanation:
Answer:
Living and non-living things are the biggest gap besides class separation.
This question was also featured on Chapter 2 Lesson 1 Flashcards.
1. By how much did the three organisms investigated in this activity grow over the course of
ten weeks when the average water temperature was 20°C? (Save the
graphs of data to yourcomputer and paste them below to help answer this question.)
The graph of growth moves upward and downward due to temperature of the medium.
That organism which grow best in the temperature range from 15°C to 25°C, the graph moves in the upward direction due to the presence of optimum temperature for the growth of that organism.
The organism which grow best in the temperature range from 5°C to 15°C, the graph moves in the downward direction because the water temperature is not suitable for the growth of that organism.
The organism which grow best in the temperature range from 25°C to 35°C, the graph also moves in the downward direction because the water temperature is not good for its growth so we can conclude that the growth rate increases and decreases due to temperature of water.
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Below is a sequence of bases along one side of a DNA molecule.
Write out the sequence of DNA bases that would pair with the
ones shown.
ATGGCGATT
Answer:
TACCGCTAA
Explanation:
A and T pair together, so do G and C.
Is biomass in the rainforest an energy source or energy sink
Answer:
Is biomass in the rainforest an energy source or energy sink
Explanation:
The energy in ATP is -
a
Stored in the vacuoles
b
Not widely used by cells
c
Stored between its phosphate groups
d
Not very useful
Answer:
adenosine triphosphate
Explanation:
adenosine triphosphate (ATP), energy-carrying molecule found in the cells of all living things. ATP captures chemical energy obtained from the breakdown of food molecules and releases it to fuel other cellular processes.
B
Baby rabbits, or bunnies, are also known by what other name?.
Which of the following environments are where protists are likely to be found?RainforestTundraAridLiquid
The correct option is the fourth one, Liquid. Protist are unicellular organisms adapted to swimming. Therefore it is essential for them enough water to mobilize, but also to keep hydrated.
The upper part of an alpine glacier that moves fastest down a straight valley ______ . is the midline of the glacier, half way across the valley.
The upper part of an alpine glacier that moves fastest down a straight valley is known as the "zone of maximum flow." This is typically the area of the glacier where the ice is the most heavily deformed and where the ice is most actively flowing downhill.
The midline of the glacier in this zone is usually situated approximately halfway across the valley, with the ice flowing fastest down the steepest portion of the valley. This movement is caused by the pressure gradient that exists within the glacier, as well as the pull of gravity. The zone of maximum flow is an important feature of alpine glaciers, as it helps to shape the landscape and contribute to erosion and sedimentation processes.
The upper part of an alpine glacier that moves fastest down a straight valley is known as the central flow line. This line corresponds to the midline of the glacier, situated halfway across the valley. The central flow line typically experiences the least amount of friction and resistance, allowing it to move more swiftly compared to the sides of the glacier. This faster movement is due to less contact with the valley walls, which causes less drag and thus a more rapid flow.
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Why do single-celled organisms divide?
A.to repair damaged cells
B.to transmit genetic material by reproduction
C.to reduce the number of chromosomes in the cell
D.to increase the number of chromosomes in the cell
Answer:
C
Explanation:
Single-celled organisms use cell division as their method of reproduction
How does Inquiry differ from the Scientific Method?
Inquiry differs from the scientific method in the following ways:
Inquiry is a mere search for information or fact while scientific method is a procedural method of discovering information.
What is the scientific method?The scientific method is a method of discovering knowledge about the natural world based on hypotheses, testing them empirically, and developing theories that match known data from repeatable physical experimentation.
Inquiry refers to a search for truth, information, or knowledge or the examination of facts or principles. It can also be termed as an investigation.
Therefore, inquiry is a mere search for information or fact while scientific method is a procedural method of discovering information.
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Because the flow speed in your capillaries is much less than in the aorta, the total cross-section area of the capillaries considered together must be much larger than that of the aorta. Given the flow speeds noted, the total area of the capillaries considered together is equivalent to the cross-section area of a single vessel of approximately what diameter
Answer:
Diameter of capillaries is 30-40 µm in diameter while on the other hand, the diameter of aorta is 4 cm.
Explanation:
The diameter of capillaries is 30-40 µm in diameter while on the other hand, the diameter of aorta is 4 cm which is the main reason for higher flow speed of the blood in the aorta as well as more blood is transported in the aorta. If the total area of the capillaries considered together is equivalent to the cross-section area of a single vessel of aorta then the flow speed of both is similar due to similar area.
6CO2 + 6H2O → C6H12O6 +602
In this chemical reaction H2O is a...
A. reactant.
B. product,
C. photosynthesis.
Answer:
water is a reactant because it reacts with carbon dioxide to form the products above
which one is a lie? someone pls answer I need help
Answer:
I'm pretty sure number two is the lie. I'm not 100% sure tho
How many different gametes can be produced by a tall, yellow-seeded, purple-flowered, and wrinkled-seeded pea plant (TtYyPprr)?
A 2
B 4
C. 6
D. 8
Answer:
I think it could be either C or D
Six different gametes can be produced by a tall, yellow-seeded, purple-flowered, and wrinkled-seeded pea plant (TtYyPprr). Thus, option C is correct.
What is genotype?The genotype of the plant with yellow round seeds will be YYRR and produce YR gametes, while the genotype of the plant with green wrinkled seeds will be yyrr and produce yr gametes.
A true breeding plant always has identical alleles of a gene and is homozygous in nature. The genotype of the true-breeding parents with yellow round peas: YYRR. The genotype of the pure breeding parent plant with green wrinkled peas: yyrr.
Gametes are always pure which means that a gamete carries only one allele of a gene. Since both the parent plants are true breeding, there will not be any segregation of alleles during gamete formation. Therefore, the parent plant with yellow round peas "YYRR" would form all the gametes with "YR" alleles while the parent plant with green wrinkled peas "yyrr" would form all the gametes with "yr" alleles.
Therefore, Six different gametes can be produced by a tall, yellow-seeded, purple-flowered, and wrinkled-seeded pea plant (TtYyPprr). Thus, option C is correct.
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Which statement describes how the image represents the concept of a common? - A P E X
A. Regulations can prevent the pollution shown in the picture.
B. Multiple households can cause pollution in a lake.
C. Nutrient pollution can cause algae to grow.
D. Lakes have still water whereas streams have running water.
The statement that best describes how the image represents the concept of a common is "Regulations can prevent the pollution shown in the picture." Option A. This is further explained below.
What is pollution?Generally, pollution is simply defined as the presence of dangerous material in the environment.
In conclusion, "Regulations may help to avoid the pollution seen in the image" encompasses the concept of a common as regulation causes a common effect.
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Answer: B. Multiple households can cause pollution in a lake.
Explanation: I just got the question correct.
Fossil fuels are compounds that took millions of years to form and are mainly comprised of?
A)carbon
B)gold
C)nitrogen
D)oxygen
Answer:
a
Explanation:
Which of the following is true about the scientific method?
The conclusion should confirm the original hypothesis.
Scientists frequently do not work in a linear sequence.
It is important to follow each step in order so the results are valid.
All scientists utilize the same scientific method with the same steps.
The statement which is true about the scientific method is that "it is important to follow each step in order so the results are valid." Thus, the correct option is C.
What is the Scientific method?The scientific method may be characterized as an approach to investigation in which a problem is determined, appropriate data are collected, an assumption is composed of these data, and the hypothesis has been empirically experimented with.
Scientific methods always deal with a scripted format of identifying the problem, making a hypothesis, collecting the data associated with a hypothesis, synthesizing a methodology, observing it, and making a conclusion.
Therefore, the correct option for this question is C.
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What is required for PKC activation? Choose one: A. binding to Gq and DAG B. binding to Gq C. binding to DAG D. continuing presence of Ca2+ E. binding to DAG and continuing presence of Ca2+
The right answer, based on the facts provided, is E binding to DAG and continued Ca2+ present.
How does PKC get started?1,2-diacylglycerol, which is generated by the receptor-mediated hydrolysis of inositol phospholipids, activates protein kinase C (PKC) (1). The regulatory and catalytic domains are located in the amino- as well as carboxyl-terminal portions, respectively, of PKC's wide family of many isoforms.
How is PKC turned off?These second messengers, diacylglycerol as well as Ca2+, attach to PKC's regulatory modules, the C1 and C2 domains, respectively, activating PKC. PKC is activated by raising the intracellular concentrations both Ca2+ and diacylglycerol; inactivated by lowering these ligands to baseline levels.
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What are the parts of a cell commonly know as?
A)System.
B)Organelles.
C)Cells Tissues.
D)Organs.
if the complete cell cycle in an elodea leaf requires 24 hours, what is the average duration of metaphase in the cycle? assume no cells are in go.
This results in the measurement of the duration of each subphase during the mitotic period. The durations are 0.04 hours for prophase, 0.40 hours for metaphase, and 0.37 hours for anaphase and early telophase.
Since mitosis and cytokinesis only last for about an hour each, interphase—the time in between mitoses—takes up the majority of the cell cycle, or roughly 95% of it. All things considered, interphase typically lasts 18 to 20 hours. It only takes around two hours for a cell to go through mitosis, during which time it completes cell division. In that case, the duration needed for the entire process of mitotic cell division would fall within the ranges of thirty to sixty minutes for prophase; two to ten minutes for metaphase; two to three minutes for anaphase; three to twelve minutes for telophase; and thirty to one hundred and twenty minutes for reconstruction:
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what is respiration ? how does it occur ?
Explanation:
Respiration is the process of releasing energy through the breakdown of nutrients such as glucose. Respiration can be aerobic (uses oxygen) or anaerobic (does not use oxygen). Aerobic respiration takes place continuously in both plants and animals. It occurs through a process known as cellular respiration.
what process occurs within box b?
To NADH and FADH2, the citric acid cycle transfers electrons.
What cellular respiration process stage is included in Box A?A diagram showing how cells respire. In the cytosol, at box A, glucose is converted to pyruvate with the release of ATP and electrons carried by NADH. In box B, a structure inside the mitochondrion, pyruvate produced at this stage is utilized in a cycle.
What causes the oxidation of glucose to begin?Glycolysis is where the process starts. A glucose molecule with six carbon atoms is divided into two molecules with three carbons in this initial stage. Pyruvate is the name of the three-carbon molecule. Acetyl CoA is produced through the oxidation of pyruvate.
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Which of the following normally leads to the production of functional messenger RNA in eukaryotic cells?
Answer: The removal of portions of RNA known as intervening sequences (introns)
Explanation:
The removal of portions of RNA is known as intervening sequences (introns).
What is the process of splicing?In order to enable the translation of mRNA into a protein, RNA splicing puts together the protein-coding regions (exons) and cuts out the intervening, non-coding segments of genes (introns) from pre-mRNA.
Intron sequences are cut out and exon sequences are joined during the splicing process.
As RNA matures, introns are cut out via RNA splicing, which means that they are not expressed in the resulting messenger RNA (mRNA) product.
In contrast, exons continue to be chemically bound to one another to produce mature mRNA. Exons are expressed sequences, whereas introns can be thought of as intervening sequences.
Therefore, the removal of portions of RNA is known as intervening sequences (introns).
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Heredity is the passage of genetic instructions from parent to offspring. The genetic instructions are found in within the DNA, which is contained in inside the nucleus of the cells. The genetic information is passed to the next by sexual reproduction. The information controls the traits that passed down. These include characteristics like eye color and characteristics like blood type. These traits are directly passed down and are not affected by the surrounding the organism.
Answer:
What is your question
Explanation:
The passage of genetic instructions from parent to offspring, known as heredity, involves the transmission of genetic information contained within the DNA.
The DNA is primarily located within the nucleus of cells. During sexual reproduction, genetic material from both parents combines to form a unique set of instructions for the offspring.
This genetic information controls the traits that are inherited, including observable characteristics like eye color and blood type. These traits are directly inherited and are not influenced by the surrounding environment of the organism.
While genetic information provides a blueprint for traits, the expression of those traits can be influenced by environmental factors, such as nutrition, exposure to toxins, or lifestyle choices.
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The immune system requires several nutrients for optimal functioning. Which nutrient has the key role of maintaining healthy skin, lung, and other epithelial and mucosal tissues?.
The nutrient that has the key role of maintaining healthy skin, lung, and other epithelial and mucosal tissues are micronutrients.
What are micronutrients?Micronutrients are elements that the body needs that it cannot synthesize, which is why it is obtained through food. Micronutrients will not provide energy to the body like macronutrients, but they will be necessary for different physiological processes.
Among the micronutrients that are best known are vitamins such as vitamins A, C, minerals, trace elements, prebiotics, etc. These help us keep our body tissues healthy and maintain a strong immune system.
Therefore, we can confirm that the nutrient that has the key role of maintaining healthy skin, lung, and other epithelial and mucosal tissues are micronutrients.
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PLZ BE QUICK! WILL GIVE BRAINIEST! Only 1 question! LOTS OF POINTS! HURRY!
Answer:
D. the more complex a living thing is the more chromosomes it is likely to have
Explanation:
:)
Answer:
I believe it is the last one
Carry out your own research into the selective breeding of dogs and
the problems it is now causing certain breeds of dogs. Summarize
your findings and give at least 3 examples of affected dog breeds.
Answer:
pug-eye and breathing problems
beagle-epilepsy
siberian husky -autoimmune disorders