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Biology

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Tanya [424]2 years ago

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Answer:

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If a mutation occurred that increased the number of exons in a sequence of DNA, what impact would this have on the protein forme

erastovalidia [21]

Answer:

See the answer below

Explanation:

An increase in the number of exons in a sequence of DNA would result in another protein with a longer amino acid sequence.

Exons are the coding part of a gene as opposed to introns. After transcription, the non-coding part of the gene - the introns - are removed by splicing and the exons are joined back together. The final RNA that will undergo translation consists of only exons.

The longer the exons in a gene, the more the codons present in the corresponding mRNA from the gene, and the more the number of amino acids that would be translated from the mRNA. A longer amino acid chain would result in a different protein.

Hence, a mutation that causes an increase in the number of exons in a sequence of DNA would result in a different protein with a longer amino acid sequence.

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3 years ago

Answer the questions

solong [7]

Answer:

This is for the table at the top

Plentiful roaming space- increase - because they have more space they can live in.

Severe drought - decrease- because they wont have enough water

abundant food source - increase - Because they have enough food to sustain themselves

Habitat destruction - decrease - Because they won't have a place to live in

Elimination of predators - increase - Because there will be less animals hunting them for food.

Lack of competition - increase - Because they won't have to compete for food which will allow them to have more.