Which of the Following Can Be Determined Directly from X-Ray

question 41

Multiple Choice

Which of the following can be determined directly from X-ray diffraction photographs of crystallized DNA?

• A) the diameter of the helix
• B) the rate of replication
• C) the sequence of nucleotides
• D) the bond angles of the subunits
• E) the frequency of A vs. T nucleotides

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Definitions:

Validity Generalization

A statistical approach asserting that test validity can be generalized across various contexts, especially used in psychometrics for employment testing.

Criterion-related Validity

A measure of the effectiveness of a test or assessment in predicting an individual's performance on related tasks or outcomes.

Content Validation

The process of evaluating whether a test or measure accurately covers the content or competencies it is supposed to assess.

Content Validation

The process of ensuring that a test or assessment measures what it is intended to measure, by having its content closely aligned with the constructs it's supposed to test.