In Pavlov's dog experiment, the _________ was the conditioned stimulus.

A. food
B. metronome
C. dog
D. experimenter
E. bell and experimenter


B. metronome

Biology & Microbiology

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The Embden-Meyerhof-Parnas pathway is another name for

A) the citric acid cycle. B) glycolysis. C) electron transport. D) NADH production.

Biology & Microbiology

In which of the following biochemical reactions is it common to use ddNTPs (dideoxyribonucleoside triphosphates)?

A) plasmolysis B) restriction digestion C) immunoprecipitation D) transfection E) DNA sequencing

Biology & Microbiology

A positive tuberculin skin test is an example of

A) delayed cell-mediated immunity. B) autoimmunity. C) acute contact dermatitis. D) psoriasis. E) innate immunity.

Biology & Microbiology

The arrival of fat-rich chyme to the duodenum stimulates the gall bladder to contract and release _________ into the small intestine.  

A.  bile B.  cholecystokinin C.  secretin D.  lipase E.  chylomicrons

Biology & Microbiology