Answer:
B) Feedback inhibition
Explanation:
Feedback inhibition is a situation in which the end product of a reaction controls the action of the enzyme that helped produce it. In this process the end products formed at the end of a sequence of reactions participate in inhibiting the activity of the enzymes that helped synthesis the end product. Some examples of products that are used in feedback inhibition are CTP, citrate and Isoleucine. While negative feedback is used in the context of inhibition, negative feedback may also be used for promoting a certain process.
Therefore, when the end product of a pathway inhibits catalysis of the first step of that pathway, this phenomenon is called Feedback inhibition.
Answer:
A) Any butterfly allele that allowed milkweed toxin storage would be likely to persist because butterflies that had it were more likely to survive.
Explanation:
Butterflies are natural preys to birds. Over time, some butterflies evolved adaptive strategy such as developing an allele which enables storage of toxin from milkweed as a form of defense mechanism. This stored toxins repel birds from eating the butterflies having this allele giving rise to the survival of these butterflies overtime. Butterflies that had it are likely to be highly favored for survival against predatory birds, while those butterflies without this allele are likely to be heavily preyed upon by birds.
Answer:
Pteridophytes are vascular plants but they do not produce flowers and seeds which mean their source of reproduction is unknown or hidden.
On the contrary, Spermatophytes as the name indicates, are seed bearing plants. They produced seeds and flowers. Examples are flowering plants, cactus, leather flower, buttercup and may more.
Explanation:
Answer:
The answer is B
Explanation:
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FISH levels and low estrogen levels.
