Which Is Used as the Basis of Separation of Proteins

question 107

Multiple Choice

Which is used as the basis of separation of proteins by affinity chromatography?

• A)The net charge and pI of the protein at the pH of the column.
• B)The protein's molecular weight.
• C)The protein's density.
• D)The selective binding of the protein to a ligand on the column matrix.

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Definitions:

Sleep Terrors

Episodes of screaming, intense fear, and flailing while still asleep, often paired with difficulty fully waking up, occurring predominantly in children.

Parasomnias

A group of sleep disturbances characterized by unusual actions, feelings, sensations, or dreams that appear during the process of falling asleep, throughout the sleep period, in transitions between stages of sleep, or upon waking.

Piercing Scream

A very loud, high-pitched sound made by a person, often as a response to extreme fear or distress.

Parasomnia

A category of sleep disorders that involve abnormal movements, behaviors, emotions, perceptions, or dreams occurring while falling asleep, sleeping, between sleep stages, or during arousal from sleep.