Q. The synthesis of mRNA based on a DNA template is called

View solution

Q. Recognition/binding site of RNA polymerase is called

View solution

Q. Which of the following enzyme(s) is/are required for lactose fermentation?

View solution

Q. Which of these catalyzes the synthesis of RNA from a DNA template?

View solution

Q. A level of regulation, demonstrated by the termination of transcription if tryptophan is abundant, by the tryptophan operon in E.coli cells is called

View solution

Q. An mRNA transcript of a gene contains

View solution

Q. Which of the following proteins first binds to TATA box during transcription?

View solution

Q. The components found in all prokaryotic transcription terminators is

View solution

Q. A specific __________ factor helps RNA polymerase bind to late promoters and transcribe late genes.

View solution

Q. Genetic variations are

View solution

Q. The mutation which will not affect the length of a protein is,

View solution

Q. Changes in which of the following characterizes mutations?

View solution

Q. Which of the following(s) is/are steps in excision repair mechanisms?

View solution

Q. The whole-genome shotgun sequencing approach depends primarily on

View solution

Q. What was the first eukaryotic chromosome to be sequenced?

View solution

Q. Which of the following mutations arise without exposure to external agents?

View solution

Q. Due to which of the following DNA repair mechanisms, one is able to distinguish newly synthesized DNA strands from older one?

View solution

Q. Which of the following bacterial genome was sequenced first?

View solution

Q. A nonsense mutation may result into

View solution

Q. Which of the following mutation affects only a single nucleotide?

View solution