Questions and Answers

Write any two examples of each of the following plant hormones commonly used in media preparation:
(i) Auxins.
(ii) Cytokinins.

Mention any one significant difference between each of the following:
(i) Aldoses and ketoses
(ii) Pluripotent and multipotent cell

Answer the following questions:
(i) What are nonsense codons
(ii) What is a microprocessor?

Write the full form of the following:
(i) NBPGR
(ii) VNTR
(iii) ARS
(iv) PEG
(v) ORF

Explain briefly:
(i) Chargaff’s rule of equivalence
(ii) Database
(iii) Biolistic
(iv) Coenzyme
(v) Optical activity

What are lipids? Explain the following properties of lipids:
(i) Amphipathic nature
(ii) Saponification
(iii) Hydrogenation

Mention the chief characteristics of embryonic stem cells. Give any two uses of such cells.

Write the names of any four important centres for biotechnology in India.

How is DNA sequencing performed using Sanger’s dideoxy technique? Give one limitation of this technique.