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liubo4ka [24]
3 years ago
10

Bees may pick up pollen of one flowering species on a certain place on their bodies. If this area does not come into contact wit

h the receptive structures of the flowers of another plant species, the pollen is not transferred. This is an example of:
Biology
1 answer:
34kurt3 years ago
5 0

Answer:

Mechanical isolation

Explanation:

Mechanical Isolation is an evolutionary mechanism that results from barriers or structures that prevent the mating of different species. Evolution has resulted of the difference in the location, size and shape of the male and female genitalia, which further prevents mating in different species and sometimes, closely related species.

This type of isolation is mostly found to be common in flowering plants. For example, flowering plants that doesn't have the correct shape or size for a pollinator will definitely not be able to receive the transfer of pollen and hence fertilization will not occur.

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The active site of an enzyme would form enzyme-substrate complex thus lowering the activation energy of the reaction and high rate of reaction is found.

Explanation:

The energy required to start the reaction is activation energy. In our system enzymes catalyses the reaction by lowering the activation energy. When the substrate binds to the active site or catalytic site of enzyme, an enzyme-  substrate complex is formed. This complex reduces the time required  for substrate changing into product. The enzyme substrate complex results in the conformational changes and contributes in lowering of activation energy.

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The answer is option A: True

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