25. The protein in eukaryotes which is subjected to degradation undergoes:
(A) phosphorylation
(B) carboxylation
(C) ubiquitylation
(D) methylation
Questions and Answers
24. The polymorphic domains for Class II MHC proteins are: (A) α and β2 domains only (B) β and α2 domains only (C) α1 and β1 domains only (D) α2 and β2 domains only
24. The polymorphic domains for Class II MHC proteins are:
(A) α and β2 domains only
(B) β and α2 domains only
(C) α1 and β1 domains only
(D) α2 and β2 domains only
23. Diphtheria toxin, tetracycline and streptomycin inhibit: (A) DNA repair (B) DNA replication (C) transcription (D) translation
23. Diphtheria toxin, tetracycline and streptomycin inhibit:
(A) DNA repair
(B) DNA replication
(C) transcription
(D) translation
22. The most widely used program for multiple sequence alignment is: (A) BLAST (B) FASTA (C) CLUSTAL (D) Chime
22. The most widely used program for multiple sequence alignment is:
(A) BLAST
(B) FASTA
(C) CLUSTAL
(D) Chime
21. In the ABO blood group system, antigenic determinants are: (A) nucleic acid (B) carbohydrate (C) lipid (D) protein
21. In the ABO blood group system, antigenic determinants are:
(A) nucleic acid
(B) carbohydrate
(C) lipid
(D) protein
20. Gas vacuoles are present in: (A) Anabaena flos-aquae (B) Bacillus subtilis (C) Acanthurus nigrofuscus (D) Mycobacterium tuberculosis
20. Gas vacuoles are present in:
(A) Anabaena flos-aquae
(B) Bacillus subtilis
(C) Acanthurus nigrofuscus
(D) Mycobacterium tuberculosis
19. Molecular chaperones are a 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) targeting of newly synthesized proteins
19. Molecular chaperones are a 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) targeting of newly synthesized proteins
18. The lipopolysaccharides present in bacterial cell wall has lipid A which is connected to: (A) O-polysaccharide (B) core polysaccharide (C) both with O-polysaccharide and core polysaccharide (D) rhamnose-mannose disaccharide
18. The lipopolysaccharides present in bacterial cell wall has lipid A which is connected to:
(A) O-polysaccharide
(B) core polysaccharide
(C) both with O-polysaccharide and core polysaccharide
(D) rhamnose-mannose disaccharide
17. The study of evolutionary relationships is known as: (A) genomics (B) proteomics (C) phylogenetics (D) genetics
17. The study of evolutionary relationships is known as:
(A) genomics
(B) proteomics
(C) phylogenetics
(D) genetics
16. Wash out (as defined by D=max) of a continuous stirred tank fermenter is characterized by (X=biomass, S=substrate concentration in bioreactor, So=substrate concentration in feed, P=product concentration in bioreactor): (A) X = 0, S = 0, P = 0 (B) X = 0, S = So, P = 0 (C) X =0, S < 0, P = 0 (D) X <0, S <0, P <0
16. Wash out (as defined by D=max) of a continuous stirred tank fermenter is characterized by (X=biomass, S=substrate concentration in bioreactor, So=substrate concentration in feed, P=product concentration in bioreactor):
(A) X = 0, S = 0, P = 0
(B) X = 0, S = So, P = 0
(C) X =0, S < 0, P = 0
(D) X <0, S <0, P <0