Dr Allen Forms the Hypothesis That Students Will Score Higher

question 20

Multiple Choice

Dr. Allen forms the hypothesis that students will score higher on take-home exams than they will on in-class exams. In this experiment, what is the best way to divide the participants into groups?

• A) Have the participants choose which type of exam they want to take.
• B) How the groups are formed doesn't matter.
• C) Have all males in one group and all females in the other.
• D) Use random assignment.

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Definitions:

Antiparallel

Said of a double-stranded nucleic acid in which the 5' to 3' direction of the sugar-phosphate backbone of one strand is reversed in the other strand.

Crystallographic Data

Information obtained from crystallography, a method used to determine the atomic and molecular structure of crystals, revealing the arrangement of atoms in the crystalline solid.

Watson

James Watson, an American molecular biologist, geneticist, and zoologist, best known as one of the co-discoverers of the structure of DNA in 1953.

Crick

Best known as Francis Crick, he was a British scientist who co-discovered the structure of the DNA molecule alongside James Watson.