How many different nucleotide bases are there in DNA?

A) l
B) 2
C) 4
D) 7
E) 26

Answer: C

Psychology

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A reinforcer is a consequence that ________ a behavior, while a punisher is a consequence that ________ a behavior

a. motivates; stimulates b. weakens; strengthens c. inhibits; motivates d. strengthens; weakens e. motivates; confuses

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The text suggests that ________ is a good analogy for LTM

a. a computer hard drive b. the index of a book c. a library catalog d. the nodes of the internet e. a mental scaffold

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