What is the role of the red nuclei?
A. responding to loud noises and bright lights
B. part of the auditory pathways in the CNS
C. carries sensory information to the brain
D. unconscious regulation and coordination of motor activities
D
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"Goose bumps" are caused by
a) action of arrector pili muscles. b) secretions from the sudoriferous glands. c) contraction of dermal papillae. d) stimulation of hair root plexus. e) secretions from the sebaceous gland.
The organelles responsible for organizing microtubules that are part of the mitotic spindle are called
A. centrioles. B. nucleoli. C. microvilli. D. cilia. E. vesicles.
The second neuron in an autonomic pathway is called a _________ neuron
Fill in the blank with correct word.
Fatty acids enter the cell respiration pathway at
A. the intermediate stage, once they have been converted to pyruvate. B. glycolysis, once they have been converted to glucose. C. the citric acid cycle, once they have been converted to acetyl CoA. D. electron transport chain, once they have been converted to NADH.