Vitamin B9 regulates synthesis of (A)_________ , and its deficiency leads to defects in (B)_____________.
a. (A) dTTP, (B) DNA synthesis
b. (A) dCTP, (B) mitosis
Answer: a. (A) dTTP, (B) DNA synthesis
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predator-prey coevolution? a. Each species exerts selection pressure on the other. b. Predators are selective agents that favor improved prey defenses. c. Prey with better defenses are selective agents that favor better predator hunting skills. d. All of the above are true. e. None of the above are true
The upper part of the neritic province is called the euphotic zone. Indicate whether the statement is true or false
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