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Exam Title : Molecular Biology and Biotechnology


Number Of Question : 7
Question #1: Which of the following statements about facilitated diffusion is true
It is a form of active transport
It requires a carrier protein
Rate of transport is proportionate to the concentration gradient
Requires creatine phosphate
Question #2: Method of chromatography in which molecules that are negatively charged are selectively released from stationary phase into the positively charged molecules in mobile phase is termed as
Affinity chromatography
Ion-Exchange chromatography
Adsorbtion chromatography
Size-Exclusion chromatography
Question #3: Neutral molecules are transported by
Porin channels
Ionophores
Simple Diffusion
None of the above
Question #4: Which of the following is not a phase I Reaction
Oxidation
Reduction
Hydrolysis
Conjugation
Question #5: Base substitution mutations can have be following molecular consequence except
Changes one codon for an amino acid into another codon for that same amino acid
Codon for one amino acid is changed into a codon of another amino acid
Reading frame changes downstream to the mutant site
Codon for one amino acid is changed into a translation termination codon