Choose the One Most Appropriate Answer for Each

question 52

Multiple Choice

Choose the one most appropriate answer for each.
-Watson and Crick

• A)Discovered that the hereditary system of one strain of bacteria could be transformed by the hereditary system from another strain of bacteria
• B)First to describe DNA and extract it from cell nuclei
• C)Discovered that DNA-digesting enzymes prevented bacterial transformation
• D)The first to build an accurate model of DNA and to describe it explicitly in a publication
• E)The first to demonstrate, through the use of radioactive isotopes, that DNA, not protein, is the genetic material
• F)Provided two important clues to the structure of DNA; one clue is that A = T and the other is that C = G
• G)Worked at King's College at the same time as Franklin
• H)Obtained excellent x-ray diffraction photographs that suggested that DNA was a long, thin molecule with regularly repeating units

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Definitions:

Probability

A measure of the likelihood that a specific event will occur, expressed as a number between 0 and 1, where 0 indicates impossibility and 1 indicates certainty.

Avoidance Conditioning

A learning process in which an individual learns to prevent or avoid an unpleasant stimulus by performing a particular behavior.

Student Behavior

Refers to the conduct or response patterns that students exhibit in an educational environment, influenced by factors such as classroom management, learning styles, and social interactions.

Extinction

The process of withholding reinforcement for a conditioned response. Extinction has two parts: (1) if, in a given situation, somebody displays a previously reinforced response and the response is not followed by the usual reinforcing consequence, (2) then that person is less likely to do the same thing again when he or she next encounters a similar situation.