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viktelen [127]
3 years ago
15

How much nicotine to kill half of humans who weighed 172 pounds

Biology
1 answer:
muminat3 years ago
6 0
I don’t know maybe 29 or I have no clue
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Question 1 (2 points)
Blababa [14]

The amino acids coded triplets in the 3' to 5' strand on the normalp53 gene of chromosome 13 are lysine, leucine, Glutamine, stop codons.

Explanation:

mRNA is formed by the transcription of DNA strand coding for  a gene.

Any mutation in the DNA sequence even a difference of base pair would cause formation of different amino acids and hence altered protein.

The amino acid is formed in the step of translation where codes are read by tRNA on the mRNA strand and correct nucleotide is brought to growing polypeptide chain.

In transcription 3' to 5'  strand acts a template strand. The amino acids on the p53 gene of chromosome 17 is

3'TTT AAC   GTC    ATC 5'    Gene sequence

5' AAA UUG CAG   UAG 3'   mRNA

lysine, leucine, Glutamine, stop

8 0
4 years ago
How are growth and reproduction related
PolarNik [594]
Growth is needed for reproduction and reproduction is need for growth so you could say that they are dependent upon each other
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3 years ago
What feature controls how tightly linked two genes are?
netineya [11]

Answer:

the physical distance between the two genes.

Explanation:

4 0
3 years ago
Why do biologists classify
ohaa [14]

Answer:  It is because it makes it more efficient to study organisms.

Explanation: Biologist classify organisms by considering similarities between them. The organisms which have closely related characteristics are placed in a separate domains by biologists. Domains are further divided into 6 Kingdoms. According to modern classification system, domain is largest unit of biological classification.

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What are genotypes of parent 1 and parent 2 Ss Yy
creativ13 [48]

Answer:

SY sy

Explanation:

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