Watson and Crick built tinkertoy-like models to try to understand the structure of

DNA. They used X-ray data and chemical data from other scientists' laboratories in order
to

(a) constrain the set of possible models; that is, to rule out structures that did not
fit the X-ray and chemical data
(b) falsify the X-ray data and chemical data
(c) argue that DNA was not the carrier of the genetic code
(d) demonstrate the permanence of changes in bacteria exposed to different types
of DNA


A

Psychology

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Prior to the Renaissance, artists were generally unsuccessful in painting realistic scenes because they did not understand

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"It's noon, so it's time to eat." This person illustrates the role of ____ in hunger.

A. PYY B. genetic factors C. learned associations D. leptin

Psychology

Ira and his sister are playing "Name that Tune," the object of which is to name the title of the song when given the song's first line. Ira suggests the line "Sleigh bells ring, are you listening?" His sister can't come up with the answer at first, but realizing that the title is often embedded in the lyrics, she tries to sing them silently to herself. She then bursts out "Ah! It's 'Winter Wonderland'!" It is most likely that Ira's sister used ___________ in playing the game.

A. mental chronometry B. mental synthesis C. visual imagery D. inner audition

Psychology

When her sister was born, 4-year-old Gracie began sucking her thumb again and wanting her mother to rock her. The defence mechanism exemplified here is:

A) regression. B) repression. C) displacement. D) sublimation.

Psychology