Which is an exchange pool for the carbon cycle?

A. fossil fuels
B. soil
C. the ocean
D. carbon dioxide in the atmosphere
E. limestone


Answer: D

Biology & Microbiology

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Converting 1 molecule of glucose to 2 pyruvate molecules generates the net formation of this many ATP during cellular respiration:

A. 6 molecules of water B. 3 molecules of ATP C. 2 molecules of ATP D. 72 - 76 molecules of ATP E. 36 - 38 molecules of water

Biology & Microbiology

Where would you expect to find the plus-end of a microfilament in a crawling cell?

A. near the plasma membrane of the leading edge of the cell B. near the plasma membrane of the trailing end of the cell C. near the cell center D. Answers a and b are both correct.

Biology & Microbiology

Both the phosphorylation of intermediates and the formation of ATP in glycolysis are examples of

A) substrate-level phosphorylation. B) product-level phosphorylation. C) oxidative phosphorylation. D) anabolic phosphorylation. E) aerobic phosphorylation.

Biology & Microbiology

The mechanism of muscle contraction was first studied using

a. striated muscle examined using high-resolution light microscopy. b. smooth muscle examined using high-resolution light microscopy. c. striated muscle examined using high-resolution electron microscopy. d. smooth muscle examined using high-resolution electron microscopy. e. cardiac muscle examine using high-resolution electron microscopy

Biology & Microbiology