Matching -Nucleic Acids Are Composed of Nucleotides That Are Linked by Linked

question 57

Multiple Choice

Matching

-Nucleic acids are composed of nucleotides that are linked by ______ linkages.

• A) diploid
• B) phosphodiester
• C) probe
• D) pyrimidine
• E) introns
• F) cloning
• G) transformed
• H) exons
• I) ampicillin
• J) autoradiography
• K) chain-terminator
• L) purine
• M) ester

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Definitions:

Fixed-ratio

A reinforcement schedule in which a behavior is rewarded after a certain number of responses have been made.

Variable-ratio

A type of reinforcement schedule in operant conditioning where a response is reinforced after an unpredictable number of responses, making it very effective in maintaining high rates of responding.

Fixed-interval

A fixed-interval schedule in operant conditioning refers to reinforcing a response at fixed time intervals, regardless of the number of responses made.

Variable-interval

A schedule of reinforcement where rewards are given after variable intervals of time, making the timing of the reward unpredictable.