A codon contains ____ nucleotides. 

A. one
B. two
C. three
D. four


C. three

Biology & Microbiology

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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

Biology & Microbiology

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.

Biology & Microbiology

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

Biology & Microbiology

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.

Biology & Microbiology