Which of the following best defines a gene?
a. A section of DNA that codes for a specific protein.
b. A karyotype of cellular structure.
c. An independent assortment of atoms.
d. The smallest unit of measurement in the body.
A
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When the neutral stimulus and unconditioned stimulus are presented at the same time it is called ____________ conditioning
a. trace b. simultaneous c. delay d. backward
Which of the following is an incorrect statement concerning electroconvulsive therapy?
a. no one is certain exactly why the treatment works b. people who receive the treatment have a relatively high relapse rate c. researchers do not show concern the procedure might cause permanent brain damage d. the procedure can produce side effects, such as confusion or loss of memory, although they are usually not serious
Which statement about leptin is TRUE?
A) It is secreted by fat cells. B) It signals the brain to switch hunger on. C) When injected into rats, it leads to obesity. D) It increases the reinforcing value of food.
Which of the following is a likely endocrine-based effect of damage to the hypothalamus?
A) Reduced use of left arm B) Deregulation of hormones deregulation of hormones. C) Development of aphasia D) Reduced ability to reason