The complete aerobic metabolism of one molecule of glucose yields a maximum of how many ATPs?
a. 2
b. 4
c. 18
d. 32 to 34
e. 36 to 38
e
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The sum total of all alleles carried in all members of a population is called the
A) gene pool. B) genome. C) ploidy. D) polygenic sum. E) polymorphism.
Respiratory exchange requires a membrane that is or
does all of the following EXCEPT a. is thin. b. is moist. c. is permeable to gases. d. separates partial pressure gradients of O2 and of CO2. e. all of these.
A characteristic of land plants is the presence of small openings, found mostly on the underside of leaves, that allow gas exchange between the plant and its environment. These structures are called
A. stomata. B. chloroplasts. C. thallus. D. rhizoids. E. cuticles.
Which one of the following statements concerning plasmids is true?
A. All plasmids can be transferred between bacteria by conjugation B. Much of the information coded in the plasmid is essential to the survival of the bacteria cell C. Resistance plasmids carry genes for antibiotic resistance D. Resistance plasmids cannot be transferred to other bacterial cells E. Plasmids lack an origin of replication