Chromatin Consists of About

question 12

Multiple Choice

Chromatin consists of about

• A) 10% histones, 30% DNA binding proteins, 30% DNA, and 30% RNA.
• B) 25% histones, 25% DNA binding proteins, 25% DNA, and 25% RNA.
• C) 30% histones, 30% DNA binding proteins, 30% DNA, and 10% RNA.
• D) 10% histones, 10% DNA binding proteins, 70% DNA, and 10% RNA.
• E) 90% DNA and 20% proteins.

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Definitions:

Quaternary Structure

The level of protein structure involving the arrangement and interaction of multiple polypeptide chains.

Disulfide Linkages

Chemical bonds formed between sulfur atoms of two amino acid residues, playing a critical role in the three-dimensional structure of proteins.

Hydrophobic Attractions

The tendency of nonpolar substances to aggregate in aqueous solutions and avoid water.

Non-Polar

Describes molecules that do not have an unequal distribution of electrons, resulting in no regions of positive or negative charge.