MCQ Bank
The DNA polymerase require a primer with a free___
- A) 3’-OH
- B)
- C)
- D)
The bond angles in protein primary structure resulting from rotations at C are labelled (psi) for the____ bond ___
- A) Alpha C-C
- B)
- C)
- D)
First enzyme diastase discovered by___
- A) Anseime Payen in 1833
- B)
- C)
- D)
About ____ of all amino acid residues in polypeptides are found in α-helices.__
- A) one-forth
- B)
- C)
- D)
The palm domain of DNA Polymerase is composed of a ___ sheet and contains the primary elements of the catalytic site.__
- A) Beta
- B)
- C)
- D)
A typical human cell contains about___ million copies of each kind of histone___
- A) 60
- B)
- C)
- D)
The binding of histones to phosphate group of a nucleotide is aided by___ charged site chain of ___:
- A) Positive, Arginine
- B)
- C)
- D)
Which shows the correct complimentary base pairing of DNA ___
- A) A-T, G-C
- B)
- C)
- D)
The nucleotide containing nitrogenous base cytosine is known as:
- A) Deoxycytidylate
- B)
- C)
- D)
A nucleosome has about ___ nucleotides in eukaryotic genome__
- A) 400
- B)
- C)
- D)
The percentage of nucleic acid in relation to protein is about ____ for the influenza virus__
- A) 1%
- B)
- C)
- D)
CH3 Group attached at___ of thymine nitrogenous base__
- A) C5
- B)
- C)
- D)
_____ is the nucleoside name of nucleotide adenosine___
- A) Deoxyadenosine
- B)
- C)
- D)
Key substrate required for the synthesis of DNA to proceed are ___ and____:
- A) deoxynucleoside triphosphate , Primer
- B)
- C)
- D)
The two DNA strands in double helix are joined by___
- A) Hydrogen bond
- B)
- C)
- D)
Central dogma of molecular biology was laid in___
- A) 1957
- B)
- C)
- D)
Which is not type of RNA____
- A) qRNA
- B)
- C)
- D)
When Frederick Griffith coined the term “transformation” this was in reference to the genetic re-programming of___
- A) patients with pneumonia
- B)
- C)
- D)
E-coli chromosome consists of approx.____ nucleotide pairs___
- A) 4 million
- B)
- C)
- D)
The bond between tRNA and amino acid is____ bond___
- A) covalent
- B)
- C)
- D)