Which of the following is true of vitamins?

a. they are inorganic substances needed in
small amounts
b. fat-soluble vitamins include C and B
vitamins
c. they are stored in body fat
d. large amounts of vitamin K during
pregnancy can cause birth defects
e. taking large amounts of vitamin D can
cause death


C

Biology & Microbiology

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If a diploid organism has a genome consisting of 4 chromosomes, it can produce ____ different combinations of chromosomes (disregarding crossing over)

a. 4 b. 8 c. 12 d. 16 e. 64

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In which organ does the smooth ER inactivate drugs and harmful metabolic byproducts?

a. brain b. kidney c. liver d. heart e. spleen

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Independent assortment predicts a 9:3:3:1 ratio with four different phenotypes in the F2 progeny. If the alleles are epistatic, what would you predict?

A) more than four phenotypes B) fewer than four phenotypes C) heterozygotes with a novel phenotype between the dominant and recessive homozygotes D) 1/3 of the progeny with the dominant phenotypes and 2/3 recessive E) no change in the 9:3:3:1 ratio

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How many "turns" of the Calvin cycle are required to produce one molecule of glucose?

a. 1 b. 2 c. 3 d. 6 e. 12

Biology & Microbiology