The prevention of change, by ignoring minor variations and maintaining a normal range rather than a fixed value, is characteristic of
A) positive feedback.
B) stimulus reinforcement.
C) negative feedback.
D) effector control.
E) both positive and negative feedback loops.
C) negative feedback.
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Which of the following accurately compares sections of spinal white matter?
A. A fasciculus is smaller than a funiculus. B. A fasciculus is larger than a funiculus. C. A fasciculus is smaller than a tract. D. A fasciculus is larger than a tract.
What are Schaffer collaterals?
a. axons of CA1 pyramidal neurons b. axons of CA3 pyramidal neurons c. axons that release glutamate when stimulated d. axons that undergo LTP when stimulated e. b and c f. a and d
The endocrine and nervous systems are similar in that
they release chemicals that bind to specific receptors on target cells they share some chemical messengers they attempt to maintain homeostasis Ony A and C are correct All of the choices correct
Which nucleotide is found in RNA but not in DNA?
a. guanine b. adenine c. thymine d. uracil