Histones Are Essentially Identical in Sequence/structure in All Eukaryotic Organisms

question 36

Essay

Histones are essentially identical in sequence/structure in all eukaryotic organisms from yeast to plants to animals.What does this say about the biophysical properties of DNA-packaging and the evolution of eukaryotic organisms?

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Definitions:

Companionate Love

A deep and durable form of love that is characterized by mutual respect, attachment, affection, and trust, often found in long-term relationships.

Reciprocity Norm

is a social norm that prescribes individuals to respond to others with similar kinds of actions they have received, facilitating cooperation and social exchange.

Altruism

Unselfish regard for the welfare of others.

Two-Factor Theory

The Schachter-Singer theory that to experience emotion one must (1) be physically aroused and (2) cognitively label the arousal.