What is the primary purpose of the light-dependent reactions?
a. to transfer electrons to the primary electron acceptors
b. to provide electrons and energy for the light-independent reactions
c. to generate O2
d. to create a proton gradient across the thylakoid membrane
Answer: b. to provide electrons and energy for the light-independent reactions
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While not all members of ________ are pathogenic, two medically relevant species cause meningitis and gonorrhea in humans
A) Enterobacter B) Neisseria C) Shigella. D) Staphylococcus
The osmoregulatory and ionoregulatory problems facing a saltwater fish are
A. loss of water and loss of ions. B. loss of water and gain of ions. C. gain of water and loss of ions. D. gain of water and gain of ions. E. buildup of urea in tissues.
Which of the following diseases has gene
therapy been successful in curing?
a. AIDS b. SCIDS c. diabetes d. hemophilia A e. more than one of these
The replication illustrated here is termed
a. dominant. b. recessive. c. semiconservative. d. conservative. e. hemiconservative.