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

Environmental & Atmospheric Sciences

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____________________ is the ability of water to pull itself upward through small openings against gravity

Fill in the blank(s) with correct word

Environmental & Atmospheric Sciences

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.

Environmental & Atmospheric Sciences

How frequently an oscillating system vibrates mainly involves

A. amplitude. B. period. C. wavelength. D. frequency.

Environmental & Atmospheric Sciences

The sociological subsystem of a culture is called its ________.

A. sendafacts B. sociofacts C. artifacts D. mentifacts E. none of these

Environmental & Atmospheric Sciences