JNU Sample Qusetions Part 4

Q) The essential amino acid(s) are/is
1. Glycine
2. Valine
3. Methionine
4. 1 and 3
6. 2 and 3

Q) Which one of the following statement is incorrect:
1. The ration of four different nucleotides vary from one species to another.
2. The base composition vary with age, nutritional factor or change in environment condition
3. Irrespective of source of DNA, the base compostion of A is equal to T and G to C
4. The DNA extracted from same tissues of different species have same base composition
5. None of the above

Q) The flowers which have a single plane of division to obtain mirrior image halves are called
1. Pelorial flowers
2. Actinomorphic flowers
3. Zygomorphic flowers
4. Heteromorphic flowers
5. None of these

Q) A person ingested methylated spirit.The treatment he receives normally exploites which of the following types of enzymatic reactions
1. Non competitive inhibition
2. Allosteric inhibition
3. Competitive inhibition
4. Allsoteric enhancement
5. Both 3 and 4

Q) TaqMan Probe is used for
1. RT-PCR
2. PCR
3. In vitro hybridization
4. qRT-PCR
5 DIdeoxy chain termination reaction

Q) In amino acid sequencing using ninhydrin, the detection is of
1. Beta amino acid
2. Alpha amino acid
3. N terminal amino acid
4. C terminal amino acid
5. None of the above

Q) Find the mismatched pair
1. Carboxypeptidase A - N-Terminal
2. Trypsin - C terminal
3. Cyanoge Bromide - Recognize Methionine
4. Chymotripsin - Phenyl alanine
5. None of the above

Q) Sanger's Reagent is
1. 1 fluro-2,4-dinitrobenzene
2. 2,4-dichloroaceticacid
3. Sidenafil citrate
4. Phenyl isothiocyanate

Q) Edman degradation detect
1. C terminal amino acid
2. N terminal amino acid
3. Amino acid that has aromatic side chains
4. Aliphatic amino acids
5. None of the above