Before the Genetic Code Was Actually Known,Francis Crick Predicted That

question 101

Multiple Choice

Before the genetic code was actually known,Francis Crick predicted that it was degenerate.What piece of evidence led him to make this prediction?

• A)All proteins looked the same.
• B)All proteins were made of amino acids.
• C)He noted that the base composition of the DNAs of various bacteria varied greatly while the amino acid composition of their proteins varied very little overall.
• D)He noted that the base composition of the DNAs of various bacteria varied little while the amino acid composition of their proteins varied greatly overall.
• E)The code was non-overlapping.

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Definitions:

Personality Type

A categorization of individuals based on their characteristic patterns of thoughts, feelings, and behaviors.

Positive Statements

Assertions or propositions that are based on objective facts and can be tested or verified, rather than on opinions or values.

Prejudice

A preconceived, usually unfavorable, judgment or opinion of others without direct experience or knowledge.

Factorial Design

An experimental setup where two or more factors are tested simultaneously to determine their effects and possible interactions on a dependent variable.