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nlexa [21]
3 years ago
15

Please help due today I’ll mark brainliest

Biology
1 answer:
Zina [86]3 years ago
4 0
I believe it will be 200,000 years
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Which of the following prevention techniques prevents dehydration?
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Answer:

the last one

Explanation:

loose clothing doesn't overheat the body causing you not to sweat. sweating is a way the body loses hydration so wearing loose and light clothing prevents you from sweating

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You experimentally change the DNA sequence directly upstream of a start codon of an operon in E coli to investigate the function
Phoenix [80]

Answer:

Mutation occurred in ribosome binding site that serves as binding site for 30S ribosomal subunit of <em>E. coli</em> and allows the process of protein synthesis to begin.

Explanation:

The initiation of protein synthesis in bacteria requires binding of the ribosome to the ribosome binding site. The ribosome binding site in bacteria consists of the initiation codon "AUG" and the preceding Shine-Dalgarno sequence. The AUG initiation codon and Shine Delgrano sequence are around 10 bases apart.

The sequence is polypurine hexamer and is represented by 5' ...AGGAGG...3'. Shine-Delgrano sequence is complementary to the conserved sequence present at the 3' end of 16SrRNA of the 30S subunit of the bacterial ribosome. Binding of Shine Delgrano sequence of ribosome binding site and the complementary sequence of the 30S ribosomal subunit marks the first step in the initiation of protein synthesis.

Any mutation in the ribosome binding site would not allow the process of protein synthesis to start or would reduce the rate of the initiation of protein synthesis.

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3 years ago
The diagram shows the sun’s interior. Convection currents are present in the convection zone.
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What is the arrangement of the outer planets? What effect does their placement have the planets?
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