ATP is best described as
A. an electron carrier.
B. the energy molecule of cells.
C. an enzyme.
D. a double helix.
E. All of these choices are correct.
Answer: B
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Which metabolic strategy is MOST common in chemolithotrophic mats?
A) ammonia oxidation B) iron oxidation C) nitrate reduction D) sulfur oxidation
The last common ancestor of gymnosperms and angiosperms possessed which of the following characteristics? Select all correct choices
A. pollen B. flowers C. seeds D. vascular tissues E. double fertilization
Which of the following is a source of genetic variation in a population caused by epistatic interactions between genes?
A) Additive genetic variance B) Dominance variance C) General environmental effects D) Interaction variance E) Maternal effect
The viscerocranium and the neurocranium differ in that the viscerocranium describes the ____ while the neurocranium describes the ____.
A. Brain casing; Face B. Face, Brain Casing C. Foramen Magnum, Brain Casing D. Oral Cavity, Brain Casing E. Skull Perforations for Blood Vessels; Remainder of Skull