What would be the tripeptide produced by translation of the transcript produced by the following DNA sequence? 3’-AAGTACTCT-5’ (1) Arg-Phe-Trp (2) Arg – Leu – Gly (3) Thr- Lys —Ser […]
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CSIR NET Life Science Previous Year Questions and Solution on DNA REPLICATION
Which DNA Replication Statements Are Incorrect? A Comparison of Prokaryotic and Eukaryotic Processes
Given below are few statements related to DNA replication […]
CSIR NET Life Science Previous Year Questions and Solution on Molecular Biology
Common Misconceptions About the Genetic Code: The Importance of the Anticodon’s Third Base
Which of the following statement is NOT regarding the genetic code? (1) one amino acid can have more then one codon (2) In eukaryotes the start codon is AUG (3) […]
CSIR NET Life Science Previous Year Questions and Solution on DNA REPLICATION
Matching DNA Topoisomerases and Polymerases with Their Specific Activities in DNA Replication
Given below are a set of enzymes in Column A and enzyme activities in Column B.Column A Column B (A) DNA (i) Synthesis of topoisomerase I Okazakifragment (B) DNA (ii) […]
CSIR NET Life Science Previous Year Questions and Solution on Molecular Biology
What Cannot Result from a Three-Base Deletion in a Gene’s Coding Region?
A deletion of three consecutive bases in the coding region of a gene cannot result in (1) deletion of a single amino acid without any other change in the protein. […]
CSIR NET Life Science Previous Year Questions and Solution on DNA REPLICATION
Understanding Leading and Lagging Strand Synthesis in Eukaryotic DNA Replication: The Roles of DNA Polymerase α, ε, and δ
Eukaryotic DNA polymerase a has tightly associated primase activity but moderate processivity. DNA polymerase ϵ and Ꟙ are highly processive but lack primase activity. Given below are four statements about […]
CSIR NET Life Science Previous Year Questions and Solution on DNA REPLICATION
What Distinguishes Telomerase from DNA Polymerase? Key Differences Explained
Telomerase, a protein RNA complex, has special reverse transcriptase activity that completes replication of telomerase during DNA synthesis. Although it has many properties similar to DNA polymerase, some of them […]
CSIR NET Life Science Previous Year Questions and Solution on Molecular Biology
What Peptides Are Synthesized from Synthetic mRNA with Repetitive AU Sequences in Mammalian Cell Extracts?
A synthetically prepared mRNA contains repetitive AU sequences. The mRNA was incubated with mammalian cell extract which contains ribosomes, tRNAs and all the factors required for protein synthesis. Assuming no […]
CSIR NET Life Science Previous Year Questions and Solution on DNA REPLICATION
Evaluating DNA Replication Statements: Effects of Camptothecin, ORC Regulation, DNA Polymerase III Mutations, and Topoisomerase II Function
The following statements are made With reference to DNA replication: Camptothecin causes intra- strand and jnter-strand crosslinks in DNA, leading to stalling of replication forks. Prevention of re-initiation of DNA […]
CSIR NET Life Science Previous Year Questions and Solution on Molecular Biology
Which Codon Codes for Selenocysteine in Escherichia coli? Understanding UGA Recoding
Which one of the following codons is used to code for selenocysteine in Escherichia coli? (1) UGA (2) UAA (3) UAG (4) UCC Which Codon Codes for Selenocysteine in Escherichia coli? […]
