Category: GATE Biotechnology Previous Year Papers with Solutions

The binding efficiency of three different receptorsR1, R2 and R3 were tested against a ligand using equilibrium dialysis, with a constant concentration of receptor and varying concentrations of ligand. The […]

A solution was prepared by dissolving 100 mg of protein X in 100 ml of water. Molecular weight of protein X is 15,000 Da; Avogadro’s number = 6.022 × 1023. […]

A solution was prepared by dissolving 100 mg of protein X in 100 ml of water. Molecular weight of protein X is 15,000 Da; Avogadro’s number = 6.022 × 1023. […]

Q.25 The protein in eukaryotes which is subjected to degradation undergoes (A) phosphorylation (B) carboxylation (C) ubiquitination (D) methylation The protein in eukaryotes which is subjected to degradation undergoes ubiquitination, […]

Q.24 The polymorphic domains for Class II MHC proteins are (A) α1 and β2 domains only (B) β1 and α2 domains only (C) α1 domains only (D) α2 and β2 […]

Q.23 Diphtheria toxin, tetracycline and streptomycin inhibit (A) DNA repair (B) DNA replication (C) transcription (D) translation Diphtheria toxin, tetracycline, and streptomycin all inhibit translation (protein synthesis), targeting different stages […]

Q.22 The most widely used program for multiple sequence alignment is (A) BLAST (B) FASTA (C) CLUSTAL (D) Chime The most widely used program for multiple sequence alignment is CLUSTAL, […]

Q.21 In ABO blood group system, antigenic determinants are (A) nucleic acid (B) carbohydrate (C) lipid (D) protein In ABO blood group system, antigenic determinants are carbohydrates attached to glycoproteins […]

Q.20 Gas vacuoles are present in (A) Anabaena flos-aquae (B) Bacillus subtilis (C) Acanthurus nigrofuscus (D) Mycobacterium tuberculosis Gas vacuoles are present in Anabaena flos-aquae, a cyanobacterium that uses these […]

Q.19 Molecular chaperones are class of proteins that facilitate (A) the proper folding of newly synthesized proteins (B) unfolding of newly synthesized proteins (C) degradation of newly synthesized proteins (D) […]