What process requires oxygen to function?
a. aerobic respiration
b. anaerobic respiration
c. alcoholic fermentation
d. lactate fermentation
e. substrate-level phosphorylation
ANSWER: a
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Cancers that arise in epithelial tissue are termed
A. carcinomas. B. leukemias. C. sarcomas. D. hybridomas. E. lymphomas.
which of the following accurately describes an operon?
A. a transcription unit that codes for 1 polypeptide and is controlled by one promoter and one terminator B. a transcription unit that codes for several polypeptides zand is controlled by one promoter and one terminator C. is present only in prokaryotes D. both a and b E. both b and c
As filtrate passes through the descending limb of the loop of Henle, water passes _____ the nephron and some solutes pass _____ the nephron.
A. out of, out of B. out of, into C. into, out of D. into, into
Scientists are always thinking about ways to improve experimental design. In the text's potato chip experiment, which of these changes would produce the most effective design?
A. Show a different movie. B. Exclude teenagers as group members. C. Collect uneaten chip remains and weigh them for both groups. D. Provide free drinks before the experiment. E. Use a smaller theater.