A First Step in Purifying a Protein That Was Initially

question 55

Multiple Choice

A first step in purifying a protein that was initially associated with fatty substances would be

• A)Coomassie Brilliant Blue dye staining.
• B)analytical ultracentrifugation.
• C)ELISA.
• D)Western blotting.
• E)hydrophobic interaction chromatography.

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Definitions:

Blood

A vital fluid in humans and animals that delivers necessary substances such as nutrients and oxygen to the cells and transports metabolic waste products away.

Placenta

An organ that develops in the uterus during pregnancy, providing oxygen and nutrients to growing babies while removing waste products from the baby’s blood.

Chorion

A membrane that surrounds the amnion and becomes the fetal component of the placenta.

Epigenesis

The process by which a new phenotypic form emerges through the interactions of the preceding form and its current environment.