Answer - Purpose of the cell cycle is generally replicate and split itself thru mitosis and its stages to make more cells.
Reason - Cell cycle is generally important to all organisms because it helps develop and keep things going. Such as a T-Cell which is white blood cell that help protect us from virus/bacteria. Or Brain cells which helps neurons with chemical nerves and maintain it. Or stem cells that can be replicated into any as mention or more.
Convergent traits: similar in appearance and function but present in distantly related species (evolved independently in the whole different way).
the correct answers: 3, 4, 5, 6. sure like 75% try to think yourself and check once again :)
D. Kidneys are directed by the presence of antidiuretic hormone to excrete more water in urine.
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Answer: D
Reactants are the compounds on the left hand side of the equation where the arrow represents, the reaction from the reactants to the products. Therefore the products are the result on the right hand side. Therefore the answer is D