Which of the following correctly describes the composition of NAD+?
A) adenine, nicotinamide, a ribose and a ribitol linked by a diphosphate
B) adenine, nicotinamide, and two ribose molecules linked by a diphosphate
C) adenine, nicotinamide, and two ribose molecules linked by a triphosphate
D) adenine, nicotinamide, and two ribitol molecules linked by a diphosphate
B
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How frequently an oscillating system vibrates mainly involves
A. amplitude. B. period. C. wavelength. D. frequency.
The sociological subsystem of a culture is called its ________.
A. sendafacts B. sociofacts C. artifacts D. mentifacts E. none of these
____________________ is the ability of water to pull itself upward through small openings against gravity
Fill in the blank(s) with correct word
What is the drainage density of a 100 mi2 drainage basin with 25 miles of stream, running through three rivers?
A) 0.25 mi. B) 33.333 mi. C) 25 mi. D) 4 mi. E) 3 mi.