Biotechnology
GATE BT format:mcq PYQs
Build your understanding with focused practice from past exam papers.
Questions 341–350 of 389. Imported answers require independent review unless marked reviewed.
Question 37
Open questionBTMCQ2 marksNeeds review
An analysis of DNA-protein interactions was carried out using all DNA-protein complexes in the protein data bank (PDB). The frequency distribution of four amino acid residues, represented as P, Q, R and S, occurring in non-covalent interactions between the protein and DNA backbone is shown below.
Which one of the following is correct?
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A pedigree of an inheritable disease is shown below.
What type of inheritance does the disease follow?
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Match the industrial products mentioned in Group I with their producer organisms in Group II
Group I
P. Citric acid
Q. Cellulase
R. Vitamin B₁₂
S. Butanol
Group II
Trichoderma viride
Clostridium acetobutylicum
Aspergillus niger
Propionibacterium freudenreichii
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5′ capping of mRNA transcripts in eukaryotes involves the following events:
P. Addition of GMP on the 5′ end
Q. Removal of γ-phosphate of the triphosphate on first base at the 5′ end
R. 5′-5′ linkage between GMP and the first base at 5′ end
S. Addition of methyl group to N7 position of guanine
Which one of the following is the correct sequence of events?
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 1
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An enzyme catalyzes a reaction by
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Natural proteins are composed primarily of 20 α-amino acids. Which one of the following statements is true for any of these amino acids in a solution of pH 1.5?
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Which one of the following organisms is an indicator of fecal contamination?
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Which one of the following mechanisms is used by human pathogens to evade host immune responses?
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If the nucleotide composition (%) of a viral genome is A = 10, U = 20, C = 40, and G = 30, which one of the following is this genome?
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Which one of the following techniques can be used to determine the structure of a 15 kDa globular protein at atomic resolution?
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