Which one of the following represents the reduced forms of the two major biological cofactors?
A. NAD+ and FAD
B. NAD+ and FADH2
C. NADH and FAD
D. NADH and FADH2
D
You might also like to view...
Atrazine is used as a(an)
a. pesticide. b. fertilizer. c. herbicide. d. substitute for PCBs. e. insect repellent
What is a tuber?
A) an enlargement of an underground stem B) a root that's modified for nutrient storage C) the reproductive organ of a gymnosperm D) a modified leaf that serves as a nutrient storage structure
Classification is an important aspect of understanding and describing the many life forms on earth. In their classification scheme, biologists use different "ranks" that are more or less inclusive. Which of the following correctly lists these ranks from most to least inclusive?
A. phylum; class; genus; family; species B. kingdom; order; class; genus; species C. class; order; family; genus; species D. kingdom; domain; family; genus; species
The floating assemblage of microbes, plants, and animals that drifts on or near the surface of large bodies of water is the _______ community.
a) Abyssal b) Benthic c) Littoral d) Plankton