Production of this vitamin requires skin exposure to the sun. This vitamin is crucial for regulation of calcium and phosphate.
A. Vitamin A
B. Vitamin B12
C. Vitamin C
D. Vitamin D
E. Vitamin E
Answer: D
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List 3 ways zoos acquire their animals
What will be an ideal response?
Genotype is ________
A) an individual's actual genetic makeup B) the manner in which a particular trait is expressed C) the expression of sex chromosomes in an individual D) the diploid number of chromosomes in an individual
The majority of water is reabsorbed by osmosis in the
A) proximal convoluted tubule. B) nephron loop. C) distal convoluted tubule. D) collecting duct. E) papillary duct.
When a stimulus is continually applied but the action potential frequency declines, this is called
A) Receptor attenuation. B) Receptor acclimation. C) Receptor accommodation. D) Receptor adaptation.