What is the primary role of bile salts during
digestion?
a. osmoregulation
b. to kill bacteria that may have been
consumed
c. to coat fat droplets and keep them separated
into small droplets
d. to enzymatically digest fats
e. to do all of these
C
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Environmental stress can result from an inadequate supply of which of the following?
a. minerals b. sunlight c. water d. all of these
Which is a general equation that summarizes the light-dependent reactions?
A. excited electrons + H2O + ADP + NADP+ ® ATP + NADPH + O2 B. ATP + NADPH + ribulose + CO2 ® ADP + NADP+ + complex organic molecule + ribulose C. CO2 + ATP + NADH + 5-ribulose ® glyceraldehyde-3-phosphate + NADP+ + ADP + P D. SUN + 6CO2 ® 6H2O + C6H12O6 + 6O2
What is nosocomial infection?
Which of the following elements is NOT correctly matched with its cellular function?
A) nitrogen — needed for amino acid synthesis B) phosphorus — incorporated into nucleic acids C) sulfur — used for synthesis of thiamin and biotin D) magnesium and potassium — required as cofactors for enzymes E) phosphorus — used for production of carbohydrates.