Which of the following is needed as a reactant for the first step of the citric acid cycle?
a. Malic acid
b. Succinyl CoA
c. Oxaloacetic acid
d. Citric acid
Answer: c. Oxaloacetic acid
You might also like to view...
Which of the following statements is true?
A) Gymnosperms have seeds that are not enclosed in a protective casing, while angiosperms have flowers that produce seeds with a protective casing. B) Gymnosperms have flowers that produce seeds with a protective casing, while angiosperms have seeds that are not enclosed in a protective casing. C) Gymnosperms lack true roots and leaves, while angiosperms lack lignin cell walls. D) Gymnosperms lack seeds, while angiosperms have flowers that produce seeds with a protective casing.
Secondary messengers are molecules that bind with signal receptors on the plasma membrane of a target cell
1.True 2.False
The maintenance of the volume and composition of
body fluids is the primary responsibility of which system? a. integumentary b. immune c. digestive d. urinary e. circulatory
Continuously varying traits typically show a bell-shaped frequency distribution. Explain why this is the case, and why intermediate phenotypes are more frequent than phenotypes at either end of the distribution
What will be an ideal response?