Blog

Q.23 Which one of the following bioreactor configurations is the basis for a trickling biologicalfilter?(A) Stirred tank (B) Packed bed(C) Air lift (D) Fluidized bed Trickling Biological Filter Bioreactor Configuration […]

Q.22 Which of the following technique(s) can be used to study conformational changes inmyoglobin?P. Mass spectrometryQ. Fluorescence spectroscopyR. Circular dichroism spectroscopyS. Light microscopy(A) P only (B) P and S only […]

Q.21 Which one of the following is NOT a principal component of innate immunity?(A) Mucosal epithelia(B) Dendritic cells(C) Complement system(D) Memory B-cells Memory B-cells are not a principal component of […]

Q.20 Which one of the following metabolic processes in mammalian cells does NOT occur in themitochondria?(A) Citric acid cycle (B) Oxidative phosphorylation(C) Fatty acid β-oxidation (D) Glycolysis Glycolysis does not […]

Q.19 Which one of the following is INCORRECT about protein structures?(A) A protein fold is stabilized by favorable non-covalent interactions(B) All parts of a fold can be classified as helices, […]

Q.18 A mixture contains three similarly sized peptides P, Q and R. The peptide P is positivelycharged, Q is weakly negative and R is strongly negative. If this mixture is […]

Q.17 Which one of the following BLAST search programs is used to identify homologs of agenomic DNA query in a protein sequence database?(A) blastp (B) blastn (C) blastx (D) tblastn […]

Q.16 Which of the following components constitute a molecular mechanics force field?P. Bond stretchingQ. Bond angle bendingR. Torsional bond rotationS. Non-bonded interactions(A) P and Q only(B) P, Q and R […]

Q.15 Which one of the following is an example of a neurotoxin?(A) Cholera toxin(B) Streptolysin-O(C) Botulinum toxin(D) Diphtheria toxin Botulinum toxin is the example of a neurotoxin among the given […]

Q.14 If a segment of a sense strand of DNA is 5′-ATGGACCAGA-3′, then the resulting RNA sequence after transcription is (A) 5′-AGACCAGGTA-3′ (C) 5′-UACCUGGUCU-3′ (B) 5′-UCUGGUCCAU-3′ (D) 5′-AUGGACCAGA-3′ The correct […]