Which of the following is not a membrane-bound organelle?

A) mitochondrion B) cytoskeleton
C) endoplasmic reticulum D) nucleus


Answer: B

Biology & Microbiology

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Which trait is characteristic of a K-selected species?

a. adapted to rapidly changing environments b. small body size c. short generation time d. provide substantial parental care to offspring e. single reproductive event

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The definition of an indigenous people is a group that

A) is the oldest in its geographical area and has retained its culture. B) has a genetic disease that is rare in other groups. C) has most recently come into a geographical area. D) has been the target of discrimination.

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For nearly all metabolic reactions, the cell uses ________ as the energy carrier

a. ATP b. cAMP c. fat d. glucose

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The idea that geologic processes have formed the

earth’s surface by repeating the same actions over and over is known as 172 Test Bank a. the theory of catastrophism. b. plate tectonics. c. continental drift. d. the theory of uniformity. e. the theory of relativity.

Biology & Microbiology