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GATE Mock test - Biochemistry Practice Test

GATE Mock test - Biochemistry Practice Test

1. During an enzyme catalysed reaction, the equilibrium constant
increases
decreses
remains unchanged
can increase or decrease, depending on the enzyme
2. Which one of the following proteases does NOT cleave on the carboxyl side of any Arginine residue in a protein?
Trypsin
Thrombin
Proteinase K
Chymotrypsin
3. The receptor for epinephrine is a
Tyrosine kinase receptor
Serine threonine kinase receptor
G protein coupled receptor
Ligand activated transcription factor
4. Choose the option with two reducing sugars?
Lactose and Maltose
Trehalose and Sucrose
Maltose and Trehalose
Sucrose and Lactose
5. The affinity of an antibody can be determined quantitatively by
MALDI TOF MS
Isoelectric focusing
SDS PAGE
Equilibrium dialysis
6. Which one of the following molecules is an allosteric activator of phosphofructokinase -1?
Fructose 1, 6-bisphosphate
Fructose 2, 6-bisphosphate
Glucose 6 phosphate
Citrate
7. Which one of the following statements is TRUE when a cell is kept in a hypotonic solution?
water moves out of the cell
size of the cell remains same
size of the cell increases
No movement of water takes place
8. Which one of the following amino acids has a higher propensity for cis peptide bond formation?
Histidine
Proline
Glycine
Cysteine
9. The length of an alpha helix composed of 36 amino acids residues is
10 Ao
54 Ao
27 Ao
360 Ao
10. The terminal electron acceptor during mitochondrial respiration is
Oxygen
FAD+
NAD+
ATP
Score =
Correct answers:
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