Which is NOT a major group of Archaea?
A. obligate acidophiles
B. extreme halophiles
C. methanogens
D. hyperthermophiles
Ans: A. obligate acidophiles
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Which muscle contraction is involuntary?
A. cardiac only B. smooth only C. cardiac and smooth D. skeletal only E. cardiac, smooth, and skeletal
The two strands of a DNA molecule are ________; that is, they are oriented in opposite directions.
Fill in the blank(s) with the appropriate word(s).
Myoglobin supplies ____ to fuel muscle activity
a. oxygen for aerobic respiration b. phosphate for ATP formation c. direct energy for white muscle fiber contraction d. glucose for lactate fermentation e. glucose for aerobic respiration
Which of the following is NOT a general relationship?
A) Increasing patch size is related to increased species diversity. B) Increasing patch size is related to increased population size. C) Increasing patch size is related to increased edge-to-core ratio. D) Increased body size is related to increased home range.