During which stage(s) of cellular respiration is CO2 produced?
A. Krebs cycle and electron transport chain
B. oxidation of pyruvate to acetyl-CoA and Krebs cycle
C. glycolysis and Krebs cycle
D. Krebs cycle only
E. electron transport chain
Answer: B
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Which of the following statements about abscisic acid are true? Check all that apply.
_____It is produced chiefly in mature green leaves and in fruits. _____ It stimulates the growth of dormant buds. _____It promotes leaf senescence. _____It plays an important role in controlling the opening and closing of stomata. _____It plays a role in seed dormancy.
A symptom of a transmissible spongiform encephalopathy (TSE) is:
a. degeneration of the digestive tract. b. progressive immune deficiency. c. degeneration of the brain and central nervous system. d. inflammation of the reproductive organs. e. influenza-like symptoms
A DNA (library/microarray/screen) may be used to study the complex, changing patterns of mRNA production in an organism
What will be an ideal response?
Most prokaryotes carry their genetic information in:
A)a single, linear chromosome. B) multiple, circular chromosomes. C) a single, circular chromosome. D) multiple, linear chromosomes. E) two circular chromosomes.