Which of the following have a periplasmic space?
A. Gram-negative bacteria only
B. Gram-positive bacteria only
C. both Gram-positive and Gram-negative bacteria
D. archaea
E. eukaryotes
Answer: A
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In what process do RNA molecules function?
a. protein synthesis b. DNA replication c. fat metabolism d. respiration e. virus protection
Endospores are dormant and require no nutrient or energy.
a. true b. false
The global patterns of atmospheric circulation and precipitation occur because ofÂ
A. rising masses of warm air and sinking masses of cool air. B. the greenhouse effect. C. global differentials in sea surface temperature. D. the cooling of the land. E. winds blowing off of the world's major mountain chains.
The actual physiological mechanism that allows fish to school involves both the cutaneous receptors known as the lateral line as well as their eyesight. Therefore, the stimuli that fish use to school are light and
A. molecules for taste. B. temperature. C. gravitational pull. D. pressure waves. E. sound waves.