Which of the following DNA mutations is likely to have the most negative effect on the protein it specifies?

A.) A codon deletion at the end of a sequence

B.) A base pair deletion, resulting in a different amino acid

C.) A substitution for one serine codon for a different serine codon

D.) A substitution for one stop codon for another stop codon

Answers

Answer 1

Answer:

B.) A base pair deletion, resulting in a different amino acid

Explanation:

Answer 2

A base-pair deletion mutation is likely to have the MOST NEGATIVE effect on the protein it specifies (Option B).

A mutation is any alteration in the nucleotide sequence (DNA) of an organism.

A base-pair deletion will change the Open reading frame (ORF) of the protein that is synthesized from a given gene sequence, thereby changing all aminoacids downstream the mutation.

In consequence, a base-pair deletion can significantly alter the protein that will be synthesized from a given gene.

Moreover, a substitution for a one-stop signal for another stop codon is neutral because it doesn't affect the resulting protein.

In conclusion, a base-pair deletion mutation is likely to have the MOST NEGATIVE effect on the protein it specifies (Option B).

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Related Questions

What is a broad explanation about the natural world that is backed up by facts?

law

idea

theory

hypothesis

Answers

A scientific theory is an explanation of some aspect of the natural world based on empirical evidence. The scientific theories are the foundational bases for the construction of scientific knowledge.

A hypothesis is a plausible explanation of some question about the natural world that must be tested (either confirmed or rejected) by using the scientific method.

A scientific idea is a statement and/or conclusion based on observational and experimental procedures, which can be used to explain a particular phenomenon observed in the real world.

A scientific law is a well-sustained explanation of some phenomenon of the real world, which is based on a body of knowledge obtained from experimental and observational procedures.

A scientific theory is a broad explanation of the natural world backed up by facts. A scientific theory can be considered as a foundational basis for the construction of scientific knowledge.

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briefly describe a lipid and protein.​

Answers

Answer:

They include fats, waxes, oils, hormones, and certain components of membranes and function as energy-storage molecules and chemical messengers. Together with proteins and carbohydrates, lipids are one of the principal structural components of living cells.

Answer:

Lipids are one of the four major groups of organic molecules; the other three being proteins, nucleic acids (DNA), and carbohydrates (sugars). Lipids are made up of the same elements as carbohydrates: carbon, hydrogen, and oxygen. However, lipids tend to contain many more hydrogen atoms than oxygen atoms.

Protein is an important part of a healthy diet. Proteins are made up of chemical 'building blocks' called amino acids. Your body uses amino acids to build and repair muscles and bones and to make hormones and enzymes. They can also be used as an energy source.

A cell in the basal layer of the skin contains 46 chromosomes and divides by mitosis to produce new skin cells. After ten successive divisions, how many chromosomes will the basal cell have?

Answers

Answer:

2

Explanation:

after 10 successful division, the basal cell layer will remain two

7. What system is composed of these five parts: heart, blood vessels, lymph vessels, blood
and lymph?
A. Excretory System
B. Lymphatic System
C. Nervous System
D. Circulatory System

Answers

Answer:

hello

circulatory

system

which part of the heart generating the forces that push blood into arteries​

Answers

Answer:

The right and left sides of the heart are further divided into two top chambers called the atria, which receive blood from the veins, and two bottom chambers called ventricles, which pump blood into the arteries.

please mark me brainliest

Which below is not a process by which carbon dioxide enters the
atmosphere? *

Answers

Answer:

Photosynthesis

Explanation:

Plants use photosynthesis to benefit themselves not the atmosphere.

4. Extend your thinking: Compare the circumference values to the diameters. About how many
times the diameter is the circumference?

Answers

Answer:

Relationship Between Diameter and Circumference

If you know a circle's diameter, you can calculate its circumference with this equation: Circumference = diameter times pi (3.14).


13. Give example of a spore forming bacteria.

Answers

Answer:

Bacillus

Chlostridium

An example of a prokaryotic cell would
be...
A. a plant cell.
B. an animal cell.
C. a bacteria cell.

Answers

Answer:

A bacteria call

Explanation:

Plant and animal cells are eukaryotic cells

A form used to characterize particle size

Answers

Laser diffraction is a widely used particle sizing technique for materials ranging from hundreds of nanometers up to several millimeters in size.


If a hypothetical cell contained 1% saline and 5% glucose, approximately what
percentage water would the cell be?

Answers

The hypothetical cell will approximately contain 94 percent (94%) of water.

If a cell is placed in a hypertonic solution that contains more concentration of solutes (such as salt and glucose) than the cell, then it will shrink because water moves outside the cell.

If a cell is placed in a hypotonic solution that contains more concentration of water than the cell, then the water will move inside the cell.

Finally, if a cell is placed in an isotonic solution, which contains the same concentration of solute and solvent as outside the cell, there will be no change in the cell and the solution.

In this case, the percentage of solutes is equal to 5% (glucose) + 1% (salt) = 6%, so the remmaining porcentage of water is equal to 94 percent (94%).

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What is Flower Niche

Answers

Answer:

it's a L shaped flower

I hope it's helped

Answer:

l shaped flower

Explanation:

L shaped flower

For cells and cellular components- Mitochondrion, Animal cell, ATP, O2, Hexokinase (an enzyme that phosphorylates hexoses (six-carbon sugars)), Ribosome, the correct size order from the smallest to the largest is:

Answers

The correct size order from the smallest to the largest is:

Animal cell >> Mitochondrion >> Ribosome >> Hexokinase >> ATP >> O2

The animal cell size is about 20 to 30 micrometers (μm), although it varies according to the type of the cell.

The average mitochondria size is approximately 0.75 to 3 μm. The size, number, and structure of mitochondria in an animal cell vary according to type of animal cell.

The ribosome size is approximately 0.02 μm in diameter.

An enzyme is a macromolecule whose size is variable (its average size is 3–7 nanometers, i.e., 3-7 nm). A micrometer (μm) equal to 1000 nm.

The adenosine triphosphate or ATP (the energy coin of the cell, which is composed of a five-carbon sugar, three phosphate groups, and adenine) and molecular oxygen (O2) are both simple molecules whose sizes are very small compared to enzymes.

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On which of the following could a scientific claim be based?
A a famous athlete's speech
B
a religious text
С
superstitions and folklore
D
experiments and studies

Answers

D experiments and studies
Answer

Option D

Science is the systematic study of the world around us through observation and experiment. ...

What must generalizations be backed by to be accepted in science?

Answers

Answer:

the last one

Explanation:

Asexual reproduction is not only found in the plant kingdom, what is another kingdom has examples of asexual reproduction?

only the Fungi kingdom
the Fungi, and Animal kingdoms
the Protist and the Fungi kingdoms
examples can be found in all of the kingdoms

Answers

Your answer is :
Only the Fungi Kingdom.
hope this helps! :)

Answer:

All of the kingdoms

Explanation:

Animal Kingdom- Worms are from the animal kingdom and they reproduce by fragmentation

Fungi- We know this, mushrooms reproduce in many asexual ways such as Budding

Protist- . Most undergo some form of asexual reproduction, such as binary fission, to produce two daughter cells.

what is the mean median and mode for 80 61 90

Answers

mean: add all the numbers then divide by how many numbers in all
80+61+90= 231 ||| 231/3=77

median: the number in the middle ( don’t forget to put the numbers in order from lowest to highest)
61, 80, 90 80 is you median in this data set

mode: the number that appears the most in a data set(you won’t always have one)
you don’t have a mode for this one

How has the study of mitosis affected scientists’ knowledge of cancer?

Answers

it led to an understanding of how cancer cells divide so rapidly

A long -lasting high fever is a concern for denaturation of:

Answers

Answer:

Denaturation follows the breakdown of the tertiary configuration of the protein concerned, by rupture of the weak ionic bonds responsible for maintaining the linkage between amino acids in the secondary structure.

biology homework 1what is Ecosystem? 2 Define Autotrophs and Heterotrophs 3.what is Primary Consumers and secondary Consumers Give Examples​

Answers

Any unit or bio system that includes all the organisms which function together in a given area where they interact with the physical environment is known as ecosystem.Autotrophs is an organism that can produce its own food using light, water, carbon dioxide, or other chemicals.A heterotrophs is an organism that eats other plants or animals fir energy and nutrients.Primary consumers are herbivores feeding directly on living plants(producers)or plant remains.For example:Copepods, zooplankton, benthos etc.and Secondary consumers are carnivores that feed on primary consumers(herbivores).For example:chiefly insects, fishes, molluscs etc.

Hope this will help u !

Which of the following is true of a scientific theory

Answers

Answer:

please put the papers snapshot

Instructions for making proteins are found in?

1 ribosomes
2 DNA
3 RNA
4 enzymes

Answers

Answer:

Ribosome

Explanation:

The ribosome reads the instructions found in the messenger RNA molecules in a cell and builds proteins from these mRNAs by chemically linking together amino acids (these are the building blocks of proteins) in the order defined by the mRNA.

Mark my answer as the brainliest

Ribosomes

It sends messages to the RNA, therefore the RNA doesn’t create proteins, and DNA is genetic material

the smallest unit of element is

Answers

Answer:

Atoms

An atom is the smallest unit of a pure substance or element that can exist and still retain the properties of the original substance or element. Key concepts: common substances, such as air, water, wood and cloth are mixtures of materials and can be chemically or physically broken down into simpler substances.

I’d say atoms cuz once u break it down to protons, neutrons, and electrons it’s not the element

I hope this somewhat helped :)

The principle that means that the body does not deviate from set points of body variables is the principle of?

Answers

Answer: Homeostasis

Explanation:

The process by which organism acquire food is called eating. True or false.

Answers

The answer is true!

why mitochondria important

Answers

The mitochondria is important because it is the powerhouse of the cell. The mitochondria is used to power nearly all cells in our body.

(Sorry if this is wrong... I'm trying my best with this.)

The sum of all chemicals activities that an organism performs?

Answers

Metabolism, I think.

It’s the sum of the chemical reactions that take place within each cell of a living organism and that provide energy for vital processes and for synthesizing new organic material.

Meaning of chromatos
A. color writing
B. Color forming
C. Color spreading
D. None of these

Answers

It literally means color forming

chromato meaning

Chromato- is a combining form used like a prefix meaning “color.” It is used in many scientific and medical terms. In cell biology, chromato- specifically refers to chromatin, “the readily stainable substance of a cell nucleus, consisting of DNA, RNA, and various proteins, that forms chromosomes during cell division.”

A section of DNA called a __________ codes for the production of _____________.

Answers

Gene also know for genome

giving brainliest
A triplet of bases in a template strand of DNA is CAG. What would be the corresponding codon for mRNA?

GTC
GUC
GTU
GUU

Answers

Answer:

GUC would be the corresponding codon for mRNA.

The corresponding codon for mRNA is GUC.

The instructions of the cellular process are encoded in the form of triplets of bases called codons.

The process of transcription forms the transcript of the DNA molecule in the form of an RNA called mRNA.The sequence of the mRNA is determined by the sequence of the bases of DNA and the new nucleotides are added in accordance with the Chargaff rule.The Chargaff rule suggests that A will bind T (U in case of RNA) and G will bind C.Since the DNA codon is the 5' CAG 3' the nucleotides added will be in sequence 3' GUC 5'.

Thus, A triplet of bases in a template strand of DNA is 5' CAG 3' then the corresponding codon for mRNA- 3' GUC 5'.

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