Rats learning to press a lever to receive food is an example of
A. avoidance.
B. operant conditioning.
C. habituation.
D. classical conditioning.
E. negative reinforcement.
B. operant conditioning.
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Enzymes in the body catalyze biochemical reactions and ____
a. are chemically changed at the end of the reaction b. are destroyed at the end of the reaction c. are processed into substrate molecules d. convert substrate molecules into products e. convert products into substrate molecules
Compare and contrast REM and non-REM sleep. What will be an ideal response?
The most likely identification of an anaerobic, curved, gram-variable bacillus with tapered ends on Gram stain of vaginal secretions when vaginosis is suggested is:
a. Porphyromonas spp. b. Actinomyces. c. Mobiluncus. d. Fusobacterium spp.
The process of asexual reproduction where a diploid embryo develops from an unfertilized egg or from diploid cells in
ovule tissue is called ____.
a. fragmentation b. protoplast fusion
c. somaclonal selection d. grafting e. apomixes