Biochemistry and Molecular Biology Quiz

Which molecule does not do oxidative damage?

In which direction is the protein built in the ribosome?

Which of the following amino acids is aromatic?

What is the mechanism of action of beta lactam antibiotics?

What is the relationship between D-glucose and D-galactose?

In one form of β-thalassemia, patients have significantly reduced levels of β-globin transcripts. What best explains the molecular reason for these observations?

Where does the conversion of hydroxyvitamin D to 1,25-dihydroxyvitamin D mainly occur?

Which metal is not responsible for the production of reactive oxygen species?

What mutation creates a 'stop codon'?

Which vitamin causes Hyperhomocysteinemia?

In comparing the α-helix to the β-sheet, which statement is correct only for the β-sheet?

What is the function of a buffer?

What is the difference between cofactors and a prosthetic group?

Which of the following vitamins becomes a major electron acceptor as a coenzyme, aiding in the oxidation of numerous substrates?

What is the relationship between competitive inhibition and noncompetitive inhibition?

Which of the following substances leads to severe respiratory depression?