Answer and Explanation:
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Monosaccharides are also known as <em><u>simple sugars.</u></em>
Answer:
No, if water is not evaporated, it doesn't affect fishes. Fishes need water for its survival and growth. If water is evaporated from fish tank, the quantity of water is reduced in the tank and fish life is in danger if all water is evaporated. If water is not evaporated from fish tank, it is good for fish growth and development.
In the block to polyspermy, entry of the sperm's contents causes calcium ion levels in the oocyte's cytoplasm to rise, triggering the cortical reaction.
In biology, polyspermy describes the fertilization of an egg by more than one sperm. Diploid organisms normally contain two copies of each chromosome, one from each parent.
The cell resulting from polyspermy, on the other hand, contains three or more copies of each chromosome—one from the egg and one each from multiple sperm. Usually, the result is an unviable zygote. This may occur because sperm are too efficient at reaching and fertilizing eggs due to the selective pressures of sperm competition.
The cortical reaction is a calcium-dependent exocytotic process in which the content of secretory granules is released into the perivitellin space immediately after fertilization, which serves to prevent polyspermic fertilization.
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