June 2001 Multiple Choice Test
d, d, a, c, b, e, d, b, a, e, c, b, d, b, e, c, e, c, a, a,
c, b, a, e, a, e, d, c, d, b,
a, b, c, a, e,
b, a, e, d, b,
e, c, e, d, e, d, e, c, c, c,
b, a, e, d, e, a, b, d, d, b,
e, d, c, b, a, b, a, c, a, a.
1. Which the following is CORRECT?
a) Glutamine is a non-polar amino acid.
b) Glutamate is a basic amino acid.
c) Methionine is an acidic amino acid.
d) Lysine is a basic amino acid.
e) b and c
2. Which of the following statements describes a DIFFERENCE between the structure of DNA
a) In DNA, the nitrogenous base is attached to carbon 1’.
b) In DNA, the nitrogenous base can be uracil.
c) The 3’ end of RNA has an hydroxyl group on carbon 3’.
d) In DNA, there is no hydroxyl group attached to carbon 2’.
e) None of the above.
3. The single letter code for the peptide
a) alanine-lysine-histidine is AKH.
b) phenylalanine-leucine-tyrosine is PLT.
c) cysteine-proline-tryptophan is CPT.
d) valine-glutamic acid-lysine is VEL.
e) glycine-tyrosine-threonine is GKT.
4. During DNA replication,
a) deoxyribonucleoside monophosphates are used as substrates.
b) the nucleotide is added to the 5’ carbon.
c) pyrophosphate is produced.
d) DNA polymerase moves towards the 3’ end of the template strand.
e) c and d
5. The alpha helix is an example of what type of protein structure?