Bachelor’s Degree Programme (BSCG) – Cell and Molecular Biology Solved Assignment Answer | BBYET 141 | 2021-2022

Free BBYET 141 Solved Assignment Answer | Cell and Molecular Biology | For July 2021 – June 2022

IGNOU BBYET 141 Solved Assignment, This assignment is the curriculum of the Bachelor of Science (General) (BSCG) program. For other course, students check our website categories section to find their courses and assignments over there.

BBYET-141 Cell and Molecular Biology Solved Assignment 2021-2022

IGNOU BBYET 141 Cell and Molecular Biology assignments are 100 marks. There is only one section – A. Students have to answer all the questions. Download IGNOU BBYET 141 Assignment free without any registration, Students can easily download the IGNOU assignment question paper from the official website of the university. They are not required to pay any fees or charges for this.

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The answer of BBYET-141 | Cell and Molecular Biology | Solved Assignment 2021-2022:

Note: Attempt all questions. The marks for each question are indicated against it.

1. a) State whether these statements are ‘True’ or ‘False’.
i) In descending chromatography, the solvent travels down the paper and the movement of the solvent is assisted by gravity.
ii) Gas chromatography is generally used for thermo-unstable and non-volatile samples.
iii) Diaphragm (Iris) regulates the amount of light entering the condenser in the microscope.
iv) The cells of prokaryotes are simpler than those of eukaryotes and lack internal compartmentalization and complexity.
v) The progression of a cell to the next stage in the cell cycle can be halted at specific points.

b) Define the following:
i) Plasmodesmata
ii) Micelle
iii) Retention factor
iv) Microbodies
v) Replicon

2. a) With the help of a well-labeled diagram describe the major differences between prokaryotic and eukaryotic cells.
b) Give an outline of polypeptide synthesis in bacteria.

3. a) Explain the structure of DNA with the help of a well-labeled diagram.
b) Enlist the major functions of Golgi bodies.

4. a) Chloroplast and mitochondria are the semi-autonomous organs. Justify the statement.
b) Describe the major features of the endosymbiont theory of the origin of chloroplast and mitochondria.

5. a) Explain various stages of the cell cycle with the help of well-labeled diagrams.
b) Describe the cloverleaf structure of tRNA with the help of a labeled diagram.

6. a) Describe in brief the various cell inclusions found in plants.
b) Discuss the role of enzyme topoisomerases in DNA replication.

7. Describe the various steps of DNA replication in prokaryotes.

8. a) Describe lac operon of E.coli highlighting its major features.
b) Enlist the major features of Genetic code

9. Give a diagrammatic representation of the transcription process in prokaryotes. Enlist the role of various enzymes involved in it.

10. Write short notes on:
a) Kinetochore
b) Synaptonemal complex
c) Biological significance of meiosis
d) Gene silencing
e) Cell theory

Wrapped Up

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