All of the following are directly used as alternative substrates for glycolysis except

A) galactose.
B) mannose.
C) ribose.
D) fructose.
E) both choices A and C


C) ribose.

Biology & Microbiology

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Bryophytes have ____

a. true leaves b. two spore types c. true roots d. true stems e. one spore type

Biology & Microbiology

The two regions of the ocean that have remained relatively unexplored yet are believed to be rich in species diversity are the ________ and the ________

a. pelagic province, seamounts b. seamounts, continental shelf c. benthic province, hydrothermal vents d. hydrothermal vents, continental shelf e. seamounts, hydrothermal vents

Biology & Microbiology

Which chloroplast structure increases the amount of surface area that is available for photosynthesis?

A) stroma B) chlorophyll C) envelope D) thylakoid

Biology & Microbiology

Which statement is false with regard to adult cell cloning?

A. It involves differentiated cells. B. It occurs with some frequency in nature. C. It involves rewinding the developmental clock. D. It involves an egg cell that has had its nucleus removed. E. It may involve nuclear transfer.

Biology & Microbiology