The energy in organic molecules is released in a series of steps because:
A. it is not possible to release it in a single
step.
B. more total energy is released in multiple
steps than would be released in a single step.
C. less total energy is released in multiple
steps than would be released in a single step.
D. more energy can be harvested for cellular
use in multiple steps than from a single step.
E. only a single electron can be moved at a
time in a cellular reaction.
D
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During cell fractionation, the ____ cannot be isolated since it is destroyed when intact cells are lysed
a. lysosomes b. mitochondria c. plasma membrane d. proteins e. nucleic acids
The utricle and saccule ____
a. each contain an organ of dynamic equilibrium b. detect rotation of the head c. detect how the head is oriented relative to the ground d. are semicircular canals e. use the auditory nerve to send information to the brain
What percent of males have some degree of color blindness?
A) 0.8 percent B) 8 percent C) 0.5 percent D) 5 percent E) 10 percent
Which of the following is a common energy storage polymer in microorganisms?
A) acetyl~S-CoA B) glycogen C) adenosine triphosphate D) H2