CBSE - Class 12 Biology Biotechnology: Principles and Processes Worksheet
EXERCISES
1.
Explain briefly (a) PCR
2.
Can you recall meiosis and indicate at what stage a recombinant DNA is made?
3.
Make a chart (with diagrammatic representation) showing a restriction enzyme, the substrate DNA on which it acts, the site at which it cuts DNA and the product it produces.
4.
Do eukaryotic cells have restriction endonucleases? Justify your answer.
5.
Make a chart (with diagrammatic representation) showing a restriction enzyme, the substrate DNA on which it acts, the site at which it cuts DNA and the product it produces.
6.
Explain briefly (c) Chitinase
7.
From what you have learnt, can you tell whether enzymes are bigger or DNA is bigger in molecular size? How did you know?
8.
Discuss with your teacher and find out how to distinguish between (c) Exonuclease and Endonuclease
9.
Discuss with your teacher and find out how to distinguish between (b) RNA and DNA
10.
What would be the molar concentration of human DNA in a human cell? Consult your teacher.
11.
Explain briefly (b) Restriction enzymes and DNA
12.
Can you think and answer how a reporter enzyme can be used to monitor transformation of host cells by foreign DNA in addition to a selectable marker?
13.
Discuss with your teacher and find out how to distinguish between (b) RNA and DNA
14.
Do eukaryotic cells have restriction endonucleases? Justify your answer.
15.
Explain briefly (b) Restriction enzymes and DNA
16.
Can you recall meiosis and indicate at what stage a recombinant DNA is made?
17.
What would be the molar concentration of human DNA in a human cell? Consult your teacher.
18.
Discuss with your teacher and find out how to distinguish between (a) Plasmid DNA and Chromosomal DNA
19.
Describe briefly the following: (a) Origin of replication
