Answer:
Proteins can be catalysts which help to reduce the energy used in a chemical reaction or speed it up. Proteins can help carry oxygen throughout the body in the form of hemoglobin
Explanation:
Neptune. Hope this helps!! :)
Vasectomy and Tubal ligation are operations that have an effect on meiosis in individuals who have elected to have these operations in that it causes meiosis to stop.
A vasectomy or Tubal ligation are operations that are often performed as a method of birth control. A vasectomy is the male version of the operation and includes a procedure that negates the gametes or sex cells from reaching the sperm and being ejected from the body, thus preventing fertilization.
Tubal ligation is a similar process performed on women. The goal of this operation is the same as in the vasectomy, to stop the "egg cell" from being released and thus preventing it from being fertilized. Both procedures have been shown to cause meiotic arrest in individuals following the operation, In some cases, meiosis resumes after some time.
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Answer:
Evolution takes place every generation of a species. The more rapid a species procreates the quicker it can respond to percieved threats & challenges in its environment. This is why insects, rodents, bacteria, and viruses can more readily adapt to chemical sprays or agents that are used to kill it. Mosquitos and DDT are such prime example of adaptation; mosquitos that survived DDT became more immune to its effects through genetic changes for each generation exposed.
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