A codon contains ____ nucleotides.
A. one
B. two
C. three
D. four
C. three
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Protists are currently divided into informal groups based on their similarity to other kingdoms
A protist that is a decomposer is categorized as a(n) __________ protist.
a. animal-like b. plantlike c. funguslike d. autotrophic
Which of the following is false regarding p-values?
A. Two-tailed p-values are more conservative than one-tailed p-values. B. P-values tell you if your experiment was successful C. The p-value is a probability. D. A one-tailed p-value is appropriate when you have reason to believe that the difference between groups can only go one way.
The level of environmental toxins such as DDT decreases as you move into the higher trophic levels
Indicate whether the statement is true or false
A motor unit is
A) the bundle of axons that goes from the spinal cord to a muscle. B) one of the connective tissue-wrapped bundles of muscle fibers in a muscle. C) a motor neuron and all of the muscle fibers it controls. D) the muscle or group of muscles that accomplishes a specific movement.