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Fiesta28 [93]
3 years ago
7

Which sentence best explains how a unicellular organism gets nutrients? Explain why.

Biology
1 answer:
solong [7]3 years ago
8 0
B because it takes in nutrients through endocytosis so the membrane opens up and envelopes the nutrients
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Which genre represented a break away from conformity and mocked modern civilization
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Which process in the water cycle causes the formation of clouds
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Many signaling pathways have multiple transducer proteins, for example in a multi-enzyme phosphorylation cascade - one of the pu
zimovet [89]

Answer:

b. to amplify the signal

Explanation:

A multi-enzyme phosphorylation cascade is a series of signaling events where one enzyme phosphorylates to another, then this last enzyme acts to phosphorylate another protein and so successively, thereby triggering a chain reaction that leads to the phosphorylation of hundreds or even thousands of proteins. A multi-enzyme phosphorylation cascade is known to increase the number of activated (phosphorylated) proteins at each step of the signaling cascade. Phosphorylation is a posttranslational modification capable of activating proteins during long periods, thereby a phosphorylation cascade also enables the activation of multiple proteins before these proteins become inactive again.

8 0
3 years ago
6. species Closely related of orchids never mate in the wild because they bloom at different times. This is an example of ______
Dimas [21]

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temporal reproductive isolation

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The correct answer would be temporal reproductive isolation.

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Some reproductive isolation processes prevent members of different species from mating or prevent fertilization as a result of mating. These processes are known as pre-zygotic reproductive isolation mechanisms.

Some other processes ensure that the product of fertilization (when it occurs) is invalid. These are known as post-zygotic isolation mechanisms.

<em>A good example of the pre-zygotic reproductive isolation process is </em><em>when closely related by different species bloom at different times</em><em>. This will prevent mating or cross-pollination to happen between the different species. This is known as temporal reproductive isolation.</em>

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atroni [7]

You would have to teach Desean appropriate social skills.

6 0
3 years ago
Read 2 more answers
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