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tangare [24]
3 years ago
14

What is the evolution of sex?

Biology
1 answer:
Anvisha [2.4K]3 years ago
3 0

Answer: Sex evolved as an extremely efficient mechanism for producing variation, and this had the major advantage of enabling organisms to adapt to changing environments. Sex did, however, come with a cost. In reproducing asexually, no time nor energy needs to be expended in choosing a mate.

Explanation: no kizzac lemme get brainliest please?

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True or false: during stressful events, there is decreased blood supply to the skin, which results in "goose bumps."
Sonbull [250]
False.
In a stressful event, there will be a hormone released to the blood called adrenaline. Adrenaline hormone can prepare the body for fight or flight response. One of the effects of this hormone is making the muscle around hair called musculus arrector pili contracted. This contraction of the muscle is what causing the goosebumps. The decreased blood supply has no role in this event.
5 0
3 years ago
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
What does it mean for the brain to process information contralaterally? What about ipsilaterally? How does the corpus callosum p
Vadim26 [7]

Answer:

the answer is c I promise

Explanation:

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4 0
2 years ago
Mr. Kline's earth science class set up an experiment to compare the heating and cooling rates of land and water. They filled cup
marusya05 [52]
A because the it going up not down
7 0
3 years ago
Read 2 more answers
Why do you think stop and start codon signals are necessary for protein synthesis.
kolbaska11 [484]

Answer:

because if they dident stop it would malfunction

Explanation:

8 0
3 years ago
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