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Pavlova-9 [17]
3 years ago
14

Tropical rain forests have a high degree of biodiversity. How do tropical rain forests contribute to the overall health of the b

ioshpere

Biology
1 answer:
galben [10]3 years ago
3 0

it is B hope this helps.

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g A mutation occurs upstream of gene A in the region encoding the ribosome binding site, making it bind more weakly to the ribos
Ivanshal [37]

Answer:

it is expected that the mutation results in a reduced initiation of translation and thereby decreasing the level of the protein A, while it does not change the level of mRNA A

Explanation:

Translation in bacteria starts with the formation of the initiation complex which is composed of the small ribosomal subunit, the messenger RNA (mRNA), initiation factors and the initiator transference RNA (tRNA) containing N-formyl-methionine. The small ribosomal subunit binds to a polypurine stretch of variable length in the mRNA called 'the Shine-Dalgarno sequence'. A mutation in this sequence reduces the affinity of the ribosome for the mRNA, thereby, in this case, decreasing the level of protein A. Since transcription occurs before translation, it is expected that this mutation does not change the level of expression of the mRNA A.

4 0
3 years ago
20 POINTS!!!What describes the diet of a saprotroph?
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Saprotrophs feed by a process known as absorptive nutrition, in which the nutritional substrate (e.g., dead organism or other nonliving organic matter) is directly digested by a variety of enzymes that are excreted by the saprotroph.

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Alona [7]
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The answer is D) Stationary  

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