For glycolysis to begin, ____
a. glucose must enter the mitochondria
b. there must be an input of energy from ATP
c. oxygen must be available
d. some hydrogen acceptors must be available
e. there must be an input of energy from ADP
ANSWER: b
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How does an increase in atmospheric greenhouse gases increase global temperatures?
A. By reacting with each other B. By preventing some of the heat from escaping the planet's surface C. By decreasing the ozone layer in the atmosphere D. By increasing the amount of heat from the sun that reaches the planet's surface
An important bacterial mediated process that occurs on the surface of plant roots is called ________ nitrogen fixation.
What will be an ideal response?
Which of the following is a characteristic of the cell membrane?
a. impermeable b. semipermeable c. fully permeable d. not permeable
_____ tissue(s) is(are) found in the walls of stomach and intestines; its(their) contractions are slow and involuntary.
Fill in the blank(s) with the appropriate word(s).