The layered membranes that jacket the central nervous system are the

A. gray matter.
B. meninges.
C. white matter.
D. epidermis.
E. myelin sheaths.


B. meninges.

Biology & Microbiology

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If you take into account the amount of ATP generated by ATP synthase per molecule of NADH and per molecule of FADH2 produced, and the number of ATP molecules produced by substrate-level phosphorylation, what is the predicted energy yield of the Citric acid cycle, per molecule of glucose in eukaryotic cells?

A. 20 ATP B. 18 ATP C. 2 ATP D. 10 ATP E. 30 ATP

Biology & Microbiology

The innermost layer of the cortex of a plant root is the

A. epidermis. B. stoma. C. guard cell. D. endodermis. E. petiole.

Biology & Microbiology

All of the following are examples of noncompetitive inhibitors EXCEPT

A) lead. B) nerve gas. C) arsenic. D) mercury.

Biology & Microbiology

The atomic number of this atom (Figure 2.1) is

A. 4. B. 6. C. 10. D. 12. E. cannot be determined from the available information

Biology & Microbiology