The chemical name for table salt is sodium chloride, or simply NaCl. What type of chemical is NaCl?
A. An element
B. A molecule
C. An ion
D. A compound
Answer: D
Biology & Microbiology
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Conditioning that occurs when an animal learns to link two events is called ____ learning
Fill in the blank with the appropriate word.
Biology & Microbiology
How old was the world thought to be when Darwin began his voyage? How old is it thought to be now? What will be an ideal response?
Biology & Microbiology
Ivan Pavlov is most closely associated with
A) breeding experiments with pigeons. B) operant conditioning (trial-and-error learning). C) insight learning. D) classical conditioning with dogs. E) imprinting experiments with ducks.
Biology & Microbiology
Chemical analysis of a bacterial cell structure detects calcium dipicolinic acid. What is the identity of this structure?
A. endospore B. nucleoid C. capsule D. slime layer E. cell wall
Biology & Microbiology