What is the difference between active and passive transport?
a. Passive transport is the movement of materials when the cell is resting rather than when it’s active.
b. Passive transport is a pre-expiration activity performed by cells at the end of the cell cycle.
c. Active transport, unlike passive transport, requires energy because the movement of materials is against the concentration gradient.
d. Active transport moves materials across the membrane, but passive transport retains them on the cytoplasmic side only.
c. Active transport, unlike passive transport, requires energy because the movement of materials is against the concentration gradient.
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Rubisco functions as both a(n) ____ and a(n) ____
a. enzyme; substrate b. enzyme; product c. carboxylase; kinase d. carboxylase; phosphatase e. carboxylase; oxygenase
A blood fluke infection is most likely to be found in persons who
a. eat undercooked beef. b. walk barefoot in a rice field. c. eat undercooked pork. d. are bitten by mosquitoes. e. eat undercooked fish.
Athletes and bodybuilders who use growth hormone to improve athletic performance and muscle mass risk
1.hair loss. 2.gigantism. 3.low blood pressure. 4.diabetes. 5.hypothyroidism.
If this moth were to go extinct as a result of overuse of pesticides, what would happen to the plant?
1.It would use a different species as a pollinator.
2.It would evolve a different structure for pollination.
3.A different species of moth might evolve to pollinate the plant since it would not have to compete with the hawk moth.
4.The plant would go extinct as well.
