In an experiment, the control group is
a. not subjected to experimental error.
b. exposed to experimental treatments.
c. maintained under strict laboratory
conditions.
d. treated exactly the same as the experimental
group, except for one variable.
e. statistically the most important part of the
experiment.
D
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When an atom or molecule gains one or more electrons, it is said to be:
A. oxidized. B. reduced. C. energized. D. polarized.
An anaerobic organism lacks the enzymes necessary for using __________ in respiration.
A) carbon dioxide B) water C) superoxide D) oxygen
When tumor suppressor genes mutate, their products
What will be an ideal response?
The helminth parasite Schistosoma
A) is a cestode. B) uses snails as an intermediate host. C) has proglottids. D) is a roundworm. E) is a liver fluke.