What is the difference between NAD+ and NADP?
A) NAD+ functions as an electron transporter, whereas NADP does not.
B) NAD+ functions as a free-energy source for cells, whereas NADP does not.
C) Both function as electron carriers, but NADP has a phosphate group and NAD+ does not.
D) Both transport electrons to the electron transport chain (ETC) found on the inner mitochondrial membrane, but NADP transfers its electrons to the ETC at a higher energy level.
Answer: C
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The microbes that live within the pitcher plant help the plant by
a. breaking down the dead insects. b. enticing the insects to enter the plant. c. producing nectar. d. producing water
Which statement best describes parasitism?
a. A parasite is harmful to the host. b. A parasite provides nutrients for the host. c. A parasite does not harm the host. d. A parasite does not receive any benefits from the host. e. A parasite always kills its host.
Which of the following is an advantage of bacterial culture in diagnosing an infection?
A. Standardized, selective media can differentiate bacteria based on their ability to grow. B. AH bacteria can be easily evaluated by culture. C. The method is very rapid. D. The method rarely poses risks to laboratory personnel
Which membranous organelle, present in both animal and plant cells, is primarily used for storage?
A. the vacuole B. the Golgi apparatus C. the lysosome D. the mitochondrion