Excess glucose in most complex plants is stored as
a. fructose.
b. starch.
c. sucrose.
d. glycogen.
e. cellulose.
Answer: b
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Vicariance is defined as the movement of organisms away from their place of origin
a. True b. False
The vascular bundles in eudicot stems separate the ground tissue into two zones. Which sequence correctly describes the arrangement of those zones from the outside to the center?
a. epidermis ? vascular bundle ? pith ? cortex b. pith ? vascular bundle ? cortex ? epidermis c. epidermis ? cortex ? vascular bundle ? pith d. epidermis ? vascular bundle ? cortex ? pith e. cortex ? epidermis ? vascular bundle ? pith
Plants that carry out the Calvin cycle during the day when the stomata are closed and fix carbon dioxide into organic acids at night when the stomata are open are called:
a) green algae. b) C3 plants. c) C6 plants. d) CAM plants. e) chemoautotrophs.
Nerve agents block _______________, an essential enzyme of the nervous system.
A) epinephrine B) acetylcholine C) norepinephrine D) cholinesterase