ATP is produced by 

A. the electron transport system.
B. The Krebs cycle.
C. glycolysis.
D. All of the choices are correct.


D. All of the choices are correct.

Biology & Microbiology

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The teeth designated by the letter "B" in the

above figure are called a. canines. b. premolars. c. incisors. d. molars. e. all of these

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The RB1 tumor-suppressor gene ____

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