Which of the following can vary among monosaccharides?

A) the number of carbon atoms
B) the presence of a carbonyl group
C) the presence of hydroxyl groups
D) the presence of sulfur groups


Answer: A

Biology & Microbiology

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Suppose a new mutation that improves metabolic efficiency is lost from a small population of mammals living in a region of seasonal food scarcity after a hurricane eliminates half the mammal population. This is an example of

A) directional selection. B) stabilizing selection. C) disruptive selection. D) sexual selection. E) genetic drift.

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Four of the five answers listed below are related by a similar area of the ocean. Select the exception

a. sea mounts b. pelagic province c. benthic province d. continental shelves e. hydrothermic vents

Biology & Microbiology

Within a single motor neuron, the direction an

impulse follows is a. dendrite >>> axon >>> cell body. b. axon >>> dendrite >>> cell body. c. dendrite >>> cell body >>> axon. d. cell body >>> dendrite >>> axon. e. cell body >>> axon >>> dendrite

Biology & Microbiology

A modification that helps equip organisms for their way of life is a(n)

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