BIOLOGY HIGH SCHOOL

How many bases make up a codon?

Answers

Answer 1

Answer:

Answer:

Explanation:

Answer 2

Answer:

Answer: Genetic experiments have shown that an amino acid, or codon, is actually coded by a group of three bases.

Explanation:

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In evolution, the study of vertebrate forelimbs is related to _______ evidence. A. biogeographical B. biochemical C. anatomical D. fossil
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Which modification is crucial in preparing an mRNA strand for proper translation? removal of introns and the splicing together of exons joining of ribosomal subunits to form a ribosomal complex removal of exons and the splicing together of introns addition of a poly-A tail addition of a poly-U tail
Which of the following mutations would likely be most dangerous to a cell?A. Deletion of one nucleotideB. Deletion of three nucleotidesC. Substitution of one nucleotide for another

Dark, cooler areas on the sun's surface are called ____.a. sunspotsc. coronasb. solar flaresd. prominences

Answers

The correct answer is A. Sunspots

Explanation:

The Sun is the star that is the center of the Solar system where Earth is located and that is mainly composed of hydrogen, helium and other elements such as oxygen, carbon or iron. In terms of the photosphere or the outer shell of the Sun this is a plasma layer that is mainly observed as uniform in color, but also presents dark areas that are called sunspots, these are cooler areas in the surface of the sun that exist as a result of the magnetic field of the sun; additionally, this can appear individually or in groups which are called Sunspot Groups. Therefore, the dark, cooler areas on the sun's surface are called Sunspots.

they are called
a. sunspots

Which strand will require more RNA primers to complete synthesis?

Answers

Answer:

lagging strand

A bad case of tonsillitis can sometimes affect a person’s breathing. How is this possible? Support your claim and explain your reasoning.

Answers

Answer: yes

Explanation: since the bacteria is in the throat/tonsils the breathing of a person bc of the water in it can transfer if placed in mouth

DNA nucleotides include A thymine, guanine, uracil, and cytosine B thymine, uracil, adenine, and cytosine
C thymine, guanine, adenine, and cytosine
D thymine, guanine, adenine, and uracil