One of the two main functions of the nuclear envelope is to ____

a. provide residence for ribosomes
b. allow separation of DNA from cytoplasm machinery
c. provide total isolation of nuclear components
d. enable faster cell division
e. enable larger cell size


ANSWER: b

Biology & Microbiology

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Which of the following best describes the chemical equation for photosynthesis?

A. Carbon dioxide + Sugar + Energy = Oxygen + Water B. Water + Carbon dioxide + Energy = Sugar + Oxygen C. Oxygen + Sugar = Water + Carbon dioxide + Energy D. Oxygen + Water + Carbon dioxide = Sugar + Energy

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Which of the following produces the most ATP during aerobic respiration?

A. Fermentation B. TCA cycle C. Glycolysis D. Electron transport chain and chemiosmosis E. Susbstrate level phosphorylation

Biology & Microbiology

Most digestion take place in the

a. stomach. b. small intestine. c. large intestine. d. stomach and small intestine equally. e. small and large intestine equally

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If nondisjunction occurs during meiosis,

a. the resulting sex cells will be heterogametes. b. one-half of the resulting cells will exhibit trisomy and the other half monosomy. c. diploid cells will be produced. d. all gametes would lack a chromosome and these gametes would be infertile. e. none of the gametes will be capable of achieving fertilization.

Biology & Microbiology