All of the following are ways in which enzymes are regulated by the cell EXCEPT

A) a heavy metal (such as lead) may block the enzymes non-active site.
B) by first synthesizing the enzyme in an inactive form.
C) by feedback inhibition.
D) a gene coding for the enzyme may be turned off.


A

Biology & Microbiology

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Which of the following statements is most likely true regarding the results in the figure above?

A) D is the child of A and C. B) D is the child of A and B. C) D is the child of B and C. D) A is the child of C and D. E) B is the child of A and C.

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Blood serum contains cells and clotting proteins

Indicate whether the statement is true or false.

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Fertilization resulting in a chromosome number of 45 in humans is ____

a. monosomy b. trisomy c. haploid d. diploid e. triploid

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Teratogenic effects of alcohol only occur during the first 12 weeks of pregnancy

a. True b. False

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