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3 years ago

Which statements are true about variations in the genetic code?

Biology

2 answers:

Murrr4er [49]3 years ago

3 0

Answer:

C) They may provide selective advantages.

D) Slight differences in the genetic code may have significant results.

Explanation:

The genetic code is universal, and present in most living beings . Generally, in most living organisms, the same codons are assigned to the same amino acids.

DNA sequences make up genes that may have multiple variants, called alleles. DNA deoxyribonucleic acid, is transcribed into mRNA and then translated into amino acids that form proteins.

Natural selection mainly acts on phenotypes, which are dependent on proteins and the organisms's environment. Phenotypes conferring advantageous traits are favored by the selection process- these help groups of organisms evolve over time.

erastova [34]3 years ago

3 0

Answer:

The correct answers are, D) Slight differences in the genetic code may have significant results. B) They may result in diseases. and C) They may provide selective advantages.

Explanation:

I took the quiz and got it correct.

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Abstract shapes that suggest plant forms or human anatomy without explicitly resembling anything nameable and allude to these na

MariettaO [177]

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2 years ago

Please help!

Ahat [919]

Answer:

Electrons Can Donate - 0

Electrons Can Receive- 2

Valence - 2

Explanation:

The electronic configuration of oxygen is $1s^2s^22p^4$ . Thus in the p-orbital there is deficiency of two electrons. Hence, it can receive/share electron but it cannot donate electrons. This makes oxygen as a good electron acceptor. Since there is a deficiency of two electrons in the outermost shell of oxygen, the valence of oxygen in thus -2

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3 years ago

The following represents the main locations fluids are found in the human body. Rank these body fluids in order from the fluid t

mina [271]

Answer:

cytosol (intracellular fluid), interstitial fluid, plasma

3 0

3 years ago

Vessel that transports deoxygenated blood from lower parts of the body returns to the right atrium via the

Triss [41]

The inferior vena cava brings deoxygenated blood back into the heart from the lower body. For comparison, the part that directs deoxygenated blood from the upper body is the superior vena cava.

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3 years ago

Which creature cannot survive in the presence of oxygen? Give Examples. What does the creature need to survive instead of oxygen

yan [13]

Answer:

Instead of oxygen a creature would also need nutrients. Simple everyday things like water and food.

Explanation:

Although it is kind of impossible to live without oxygen. There are organisms on the earth who do not need it and can survive. They metabolize hydrogen or methane or a number of other compounds.

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3 years ago