You Are Attempting to Crystallize the Head Group of a Myosin-Like

question 15

Multiple Choice

You are attempting to crystallize the head group of a myosin-like muscle protein from a newly discovered vertebrate organism. Assuming that the protein structure is similar to other vertebrate myosins, which enzymes should you use to remove the myosin-like head group from the rest of the myosin-like protein?

• A) trypsin
• B) myosinase
• C) papain
• D) both trypsin and myosinase
• E) both trypsin and papain

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Definitions:

Lipid

A class of organic compounds that are fatty acids or their derivatives, insoluble in water but soluble in organic solvents, used for energy storage, as structural components of cell membranes, and in signaling.

Nucleic Acid

Macromolecules essential for life, including DNA and RNA, which carry genetic information in cells.

Protein

Large, complex molecules made up of amino acids that perform a vast array of functions within living organisms, including structural, enzymatic, and regulatory roles.

Carbon

A chemical element with symbol C, essential as the basis of all known life on Earth, and forms various compounds and exists in different forms like diamond and graphite.