The molecular formula of most monosaccharides represents a multiple of
A) CH3O.
B) CH2O.
C) CHO.
D) CHO2.
Answer: B) CH2O.
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In a process called , an army of plasma cells and memory cells are produced from stimulated B cells.
A. conjugation B. meiotic regeneration C. recombination D. clonal selection E. genetic shuffling
The brain stem includes the __________ and __________, which control reflexes involved in breathing and other
essential tasks. Fill in the blank(s) with the appropriate word(s).
If the skin formed as a simple epithelium during development, what result would you expect?
A. The skin would have increased transfer and improved water and gas homeostasis. B. This would mildly decrease its protective function. C. This would make the skin very fragile and impair its protective function. D. This is the normal situation.
Which statement best represents the relationship between respiration and photosynthesis?
A) Respiration occurs only in animals, and photosynthesis occurs only inplants. B) Photosynthesis reverses the biochemical pathways of respiration. C) Respiration stores energy in complex organic molecules, whereas photosynthesis releases it. D) Photosynthesis stores energy in complex organic molecules, whereas respiration releases it. E) Photosynthesis occurs only in the day, and respiration occurs only at night.