What Is the Isoelectric Point of Serine (PK_a of α-CO₂H

question 39

Multiple Choice

What is the isoelectric point of serine (pK_a of α-CO₂H, 2.21; pK_a of α-NH₂, 9.15) ?

• A) 5.68
• B) 9.94
• C) 11.36
• D) 20.22

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Definitions:

Straight-Line Depreciation

A technique for distributing the expense of a tangible asset uniformly throughout its operational lifespan.

After-Tax Discount

The reduction in price or value of an item, investment, or income after taxes have been deducted.

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Taxes levied by the government on individuals or corporations' net income or profit.

Straight-Line Depreciation

A method of allocating the cost of a fixed asset evenly over its useful life.