The PK_a of Lysine's Carboxyl Group, Amino Group, and Side

question 48

Multiple Choice

The pK_a of lysine's carboxyl group, amino group, and side chain are 2.2, 9.0, and 10.5, respectively. If lysine is in a pH 13 solution, what is the net charge on each lysine molecule?

• A) -2
• B) -1
• C) 0
• D) +1
• E) +2

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Definitions:

Riskier

Characterized by or involving higher levels of risk; more uncertain or liable to result in adverse outcomes compared to alternatives.

Not-Invented-Here Bias

The tendency to ignore or harbor negative attitudes toward ideas from outside one’s own organization or project team.

Implement

To put into action or execute a plan, process, or instruction.

Expected Value

A statistical concept that calculates the anticipated value of an investment, decision, or outcome over time, considering all possible scenarios.