What Are Histone Variants

question 20

Multiple Choice

What are histone variants?

• A) histone proteins that have slightly different amino acid sequences and have specialized functions
• B) histone proteins that have slightly different amino acid sequences but are found in nucleosomes throughout the chromosomes
• C) histone proteins that have been modified by acetylation
• D) histone proteins that have been modified by acetylation and phosphorylation

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Definitions:

Heart Rate

The number of times a person's heart beats per minute, indicating cardiovascular health and activity levels.

Synaptic Vesicle

Membranous compartment that encloses a fixed number (called a quantum) of neurotransmitter molecules.

Neurotransmitters

Chemicals in the brain that act as messengers, transmitting signals from one neuron to another across synapses.

Structural Proteins

Proteins that play a role in building and maintaining the three-dimensional structures of cells, tissues, and organs, contributing to their shape and structural integrity.