The function of lymph nodes is to filter pathogens, microorganisms, and abnormal cells from the lymph before it returns to the cardiovascular system.
a. true
b. false
Answer: a. true
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Processes that supply ATP, reducing power, and precursor metabolites are collectively referred to as ________ reactions.
A. synthetic B. generating C. redox D. fueling
Which progression represents the correct hierarchy of organization in the human body?
a. cells ? tissues ? organ systems ? organs b. cells ? tissues ? organs ? organ systems c. tissues ? cells ? organs ? organ systems d. tissues ? organs ? cells ? organ systems e. tissues ? cells ? organ systems ? organs
By one hypothesis, clay _____
a. facilitated assembly of early polypeptides b. was present at hydrothermal vents c. provided energy for early metabolism d. all of these
Where is glycogen stored in vertebrate animals?
A) Pancreas and blood B) Liver and muscles C) Brain and kidneys D) Teeth and bones E) Fat cells