Which of the Following Amino Acid Residues Would Not Provide

question 12

Multiple Choice

Which of the following amino acid residues would not provide a side chain for acid-base catalysis at physiological pH? (Assume pK values of each amino acid are equal to the pK value for the free amino acid in solution. )
(I) leucine
(II) lysine
(III) aspartic acid
(IV) histidine

• A)I,II,III
• B)I,II
• C)I
• D)II
• E)I,III

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Definitions:

Replacement

In biology, often refers to the substitution or restoration of cells, tissues, or organs.

Necrosis

Necrosis is the process of cell death which occurs as a result of disease, injury, or failure of the blood supply, often leading to tissue damage.

Connective Tissue

A type of biological tissue with an abundance of extracellular matrix that supports, binds together, and protects tissues and organs of the body.

Cushioning

The process or material designed to absorb impact and protect against pressure or collision, often used in reference to seating, footwear, or packaging.