Quiz Online 3 Chapter 4 The Tools Of The Trade

10 Questions | By Faunsoed | Updated: Mar 22, 2022 | Attempts: 161

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Quiz Online 3 Chapter 4 The Tools Of The Trade - Quiz

Bekerja keras sekarang, merasakan hasilnya nanti; bermalas-malas sekarang, merasakan akibatnya nanti. -- John C. Maxwel

Questions and Answers

1.

Which of the following is NOT enzyme that used in gene manipulation?
- A.
  
  Primase
- B.
  
  Endonuclease
- C.
  
  Ligase
- D.
  
  Reverse transverase
2.

Restriction enzymes are named according to the bacterium from which they are purified.
- A.
  
  TRUE
- B.
  
  FALSE
3.

Enzymes which are purified from a wide range of organisms and can NOT be bought from various suppliers.
- A.
  
  TRUE
- B.
  
  FALSE
4.

Which of the following is an enzyme that cuts DNA molecules at a limited number of specific nucleotide sequences?
- A.
  
  Reverse transverase
- B.
  
  DNA polymerase I
- C.
  
  Ligase
- D.
  
  Restriction endonuclease
5.

In essence the Restriction endonuclease may be thought of as molecular scissor.
- A.
  
  TRUE
- B.
  
  FALSE
6.

Determination of the positions of restriction sites in a DNA molecule by analyzing the sizes of restriction fragments.
- A.
  
  DNA mapping
- B.
  
  Genome mapping
- C.
  
  Gene mapping
- D.
  
  Restriction mapping
7.

Enzyme activity is expressed in units, with one unit being the amount of enzyme that will cleave one gram of DNA in one hour at 37^◦C.
- A.
  
  TRUE
- B.
  
  FALSE
8.

Which of the following is a polymerase that synthesizes DNA on an RNA template?
- A.
  
  Reverse transverase
- B.
  
  DNA polymerase I
- C.
  
  Ligase
- D.
  
  Restriction endonuclease
9.

Which of the following is an enzyme that synthesizes phosphodiester bonds as part of DNA replication, repair and recombination processes?
- A.
  
  Reverse transverase
- B.
  
  DNA polymerase I
- C.
  
  Ligase
- D.
  
  Restriction endonuclease
10.

An enzyme that degrades a nucleic acid molecule.
- A.
  
  Endonucleases
- B.
  
  Exonucleases
- C.
  
  Nuclease
- D.
  
  Ribonuclease