DHN 311 Questions with Complete Solutions

When more enzyme is added to a reaction involving a regular enzyme, the Vmax ________ in the presence of available substrate. (Inhibitors are not a factor in this situation) Correct Answer-Decrease An increase in Km indicates that ____ substrate is required for an enzyme to bind substrate. Correct Answer-More The folding of the tertiary structure is due to Correct Answer-Hydrogen, hydrophobic, and disulfide bonding among distant amino acids The ______ structure of the secondary level of protein folding is characterized as the amino group of one residue linked to the carboxyl group on the same strand that is four residues down the strand. Correct Answer-Alpha helix Nutrients can __________ impact gene expression. Correct Answer-Indirectly and directly Nonconvalent binding of allosteric modulators is Correct Answer-Reversible An unchanged Km of an enzyme reaction indicates the inhibitor is Correct Answer-Noncompetitive