Dr. A.P.J. Abdul Kalam University MSC III SEM (Botany) Molecular Biology of Plants [MSB304T] Dec 2020 Question Paper

Dr. A.P.J. Abdul Kalam University

Master of Science (Botany)

Third Semester Main Examination, Dec-2020

Molecular Biology of Plants [MSB304T]

Time: 3:00 Hrs Max Marks 85

Note: Attempt all questions.

All questions carry equal marks.

Q.1 Explain plant promoters. Describe in detail.

OR

Write short notes on: - (Any two)

(c) DNA Damage

(d) Z structure

(e) Messenger RNA

Q.2 Explain interons and their significance

OR

Write short notes on:-

(a) RNA splicing

(b) Cis-tranis test

(c) Difference between prokaryotes & Eukaryotes

Q.3 Describe the Mechanism of Translocation.

OR

Describe the transfer RNA with structure and functioning.

Q.4 Describe the mechanism of programmed cell death.

OR

Write short notes on: - (Any two)

(a) E2F protein

(b) retinoblastoma

(c) cyclins

Q.5 Explain in situ hybridization. Give its techniques.

OR

Write short notes on: - (Any two)

(a) Canfoeal microscopy

(b) FISH

(c) Flow cytometry

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