Color vision
a. is perceived in the optic chiasma but is interpreted in the primary visual cortex
b. depends on various ratios of stimulation of the three cone types in response to different wavelengths of light
c. is usually lost in vitamin A deficiency
d. depends on activation of a specific cone for each visible color
e. is made possible by convergence within the cone pathways
B
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Which of the following is an example of permissiveness?
a. Glucagon increases blood glucose levels, and insulin decreases blood glucose levels. b. Glucagon, epinephrine, and cortisol all increase blood glucose levels. c. Estrogen stimulates synthesis of progesterone receptors in the endometrium. d. all of the above e. none of the above
Fructose found in fruit and honey is an example of a disaccharide.?
Indicate whether the statement is true or false
What three main organs make up the nervous system?
a. Brain, spinal cord, and ATP. b. Brain, skin, and nerves c. Brain, spinal cord, and nerves. d. ATP, spinal cord, and nerves.
A cell which uses an organic carbon source and obtains energy from light would be called a(n):
a) photoautotroph b) chemoautotroph c) photoheterotroph d) chemoheterotroph