Practice Questions

TLS Online TPP Program

#Question id: 325

A true statement about hydrophobic interactions is that they:

#Section 2: General Biology

are the driving force in the formation of micelles of amphipathic compounds in water.
do not contribute to the structure of water-soluble proteins.
have bonding energies of approximately 20–40 KJoule per mole.
primarily involve the effect of polar solutes on the entropy of aqueous systems.

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TLS Online TPP Program

#Question id: 166

#Section 2: General Biology

For amino acids with neutral R groups, at any pH below the pI of the amino acid, the population of amino acids in solution will have:

TLS Online TPP Program

#Question id: 168

#Section 2: General Biology

The peptide alanylglutamylglycylalanylleucine has:

TLS Online TPP Program

#Question id: 169

#Section 2: General Biology

An octapeptide composed of four repeating glycylalanyl units has:

TLS Online TPP Program

#Question id: 170

#Section 2: General Biology

Desmosine, an uncommon amino acid is derived from

TLS Online TPP Program

#Question id: 171

#Section 2: General Biology

An amino acid with two chiral carbon atoms

TLS Online TPP Program

#Question id: 172

#Section 2: General Biology

Which amino acid is least likely to participate in acid-base catalysis?