A protein inside cells that speeds up the rate of a chemical reaction is a(n) ____
a. hydrocarbon
b. inorganic compound
c. enzyme
d. buffer
e. functional group
ANSWER: c
Biology & Microbiology
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The magnitude of heritability is an intrinsic property of a trait
A. true B. false
Biology & Microbiology
Which of the following tropisms is the
response to touch in plants?
a. gravitropism b. phototropism c. thigmotropism d. mechanotropism e. chemotropism
Biology & Microbiology
An invertebrate is an animal that
A. does not have a backbone. B. has a backbone. C. has a complete digestive tract. D. has an incomplete digestive tract. E. does not have true tissues.
Biology & Microbiology
An animal that has a high surface-area-to-volume-ratio of the body, and takes in all the oxygen it needs through its outer epithelium is most likely which of the following?
A. a fish B. an earthworm C. a mammal D. an insect E. a snake
Biology & Microbiology