The concentration gradient refers to the ____.
A. fact that the concentration of ions is greater on the inside of a neuron
B. fact that the concentration of ions is greater on the outside of a neuron
C. difference in distribution for various ions between the inside and outside of the membrane
D. negatively charged proteins inside the cell
Answer: C
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An animal trainer is conditioning an elephant to startle at the sound of a trombone. Every time she plays the trombone, she then shows the elephant a mouse, which startles the elephant. Eventually, the elephant startles at just the sound of the trombone. However, after playing the trombone 10 more times, without a mouse appearing, the elephant exhibits no response. The lack of a response is an
example of: A) generalization. B) spontaneous recovery. C) acquisition. D) extinction.
As many as 25 percent of children and adolescents in the United States today are overweight
Indicate whether the statement is true or false
Your roommate's brother and sister-in-law just had a baby girl. Their daughter was born with very low birth weight. What advice can you give them in terms of providing additional care for her?
a. Try infant massage. b. Leave her in her crib with a bottle to insure that she gets plenty to eat. c. Just be calm; there is not much a parent can do at this point. d. Get an infant monitor so that you can listen to her breathing constantly.
When scores on an intelligence test relate to important outcomes such as job performance, then the intelligence test has a high level of:
What will be an ideal response?