1. Glucogenic amino acids- which are degraded to pyruvate, α-ketoglutarate, succinyl-CoA, fumarate, or oxaloacetate and are therefore glucose precursors

2. Ketogenic amino acids- which are broken down to acetyl-CoA or acetoacetate and can thus be converted to fatty acids or ketone bodies

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#Unit 2. Cellular Organization

The high-mobility group (HMG) are nonhistones and may contain Transcriptional Factors.

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#Unit 2. Cellular Organization

Core DNA has an invariant length of 146 bp, the minimum length of DNA needed to form a stable monomeric nucleosome, and is relatively resistant to digestion by nucleases- DNA FINGER PRINTING

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#Unit 2. Cellular Organization

#Id: 447

#Unit 2. Cellular Organization

The predicted mass of the nucleosome is 262 kD.

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#Unit 2. Cellular Organization

The nucleosome consists of approximately equal masses of DNA and histones (including H1).

#Id: 449

#Unit 2. Cellular Organization

H32-H42 tetramer accounts for the diameter of the octamer. It forms the shape of a horseshoe.