The long extension of a cell that can propel a cell forward by whipping back and forth (such as human sperm) is called a ________.

A. flagellum
B. vesicle
C. cilium
D. pilus


Answer: A

Biology & Microbiology

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a. metanephridia. b. parapodia. c. septa. d. clitella. e. setae.

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Indicate whether the statement is true or false

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During photosynthesis, plants convert light energy to chemical energy. This is an example of

A) increasing entropy. B) a spontaneous reaction. C) the second law of thermodynamics. D) chemical equilibrium. E) the first law of thermodynamics.

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