The Secondary Structure of Proteins

question 6

Multiple Choice

The secondary structure of proteins:

• A)Is maintained by hydrogen bonds.
• B)Is present only in proteins consisting of two or more subunits held together by noncovalent forces.
• C)Refers to any hydrogen-bonded interaction found in proteins.
• D)Implies the presence of a nonprotein moiety bound to the polypeptide.
• E)Is found only in fibrous proteins.

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Definitions:

Denominator

The bottom number in a fraction that represents the total number of equal parts the whole is divided into.

Degrees of Freedom

The number of independent values or quantities that can vary in an analysis without breaking any constraints, often associated with statistical calculations.

F-distribution

A probability distribution used in statistics to model the ratio of variances among variables, often utilized in the analysis of variance (ANOVA).

F-test

A statistical test used to compare the variances of two populations to ascertain if they come from distributions with equal variances.