What Is a PEST Sequence in a Protein

question 9

Multiple Choice

What is a PEST sequence in a protein?

• A)a sequence where phosphorylation occurs at every serine and tyrosine
• B)a sequence that confers resistance to cathepsin-mediated proteolysis
• C)a sequence of phenylalanine-glutamate-serine-threonine that is found in many proteins with half lives less than 2 hours
• D)a sequence that causes ubiquitination of the protein followed by degradation
• E)none of the above

Explain the mechanism of free-radical, cationic, and anionic polymerization.

Identify and draw the structure of various monomers and their resulting polymers.

Distinguish between different polymerization techniques and predict the conditions under which a given monomer will polymerize.

Describe the stereochemistry of polymers and understand the significance of tacticity.

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Definitions:

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A significant decline in the price or value of an asset or stock within a short period of time.

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An investment strategy where an investor purchases stocks with the expectation that they will rise in value over time.

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An options strategy where an investor sells a put option with the expectation that the market price of the underlying asset will rise.