MCQ Bank
_____ 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)
Urea was synthesized by Wholer in ___
- A) 1828
- B)
- C)
- D)
The linkage between two amino acids removes a __ molecule__
- A) H2O
- B)
- C)
- D)
Amino acid attach to__ end of tRNA.___
- A) 3’
- B)
- C)
- D)
The junction between the newly separated template strands and the ___ dsDNA is known as _____
- A) unreplicated , replication fork
- B)
- C)
- D)
DNA bound histone in the eukaryotes is___
- A) chromatin
- B)
- C)
- D)
During DNA replication each strand serve as___
- A) Template
- B)
- C)
- D)
Mutation is necessary evil as __
- A) not all mutations give advantage to organism
- B)
- C)
- D)
Replication machine achieves remarkably high degree of accuracy ___
- A) proofreading mechanism
- B)
- C)
- D)
The RNA AU/GC ratio was roughly ___ to the DNA AT/GC ratio___
- A) similar
- B)
- C)
- D)
Strands of DNA are separated at the replication fork___
- A) dsDNA
- B)
- C)
- D)
PAH stands for___
- A) Polycyclic Aromatic Hydrocarbons
- B)
- C)
- D)
Nucleic acids are ___
- A) polymeric compounds
- B)
- C)
- D)