Bachelor’s Degree Programme (BSCG) – MOLECULES OF LIFE Solved Assignment Answer | BCHET 149 | 2021-2022

Free BCHET 149 Solved Assignment Answer | MOLECULES OF LIFE | For July 2021 – June 2022

IGNOU BCHET 149 Solved Assignment, This assignment is the curriculum of the Bachelor of Science (General) (BSCG) program. For other courses, students check our website categories section to find their courses and assignments over there.

BCHET 149 MOLECULES OF LIFE Solved Assignment 2021-2022

IGNOU BCHET-149 MOLECULES OF LIFE assignment are of 100 marks. There is only two section – A, B. Students have to answer all the questions. Download IGNOU BCHET-149 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 BCHET-149 | MOLECULES OF LIFE | Solved Assignment 2021-2022:

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

PART-A (Maximum – 50)

1. a) List the important cell organelles of a typical eukaryotic cell. Describe the structure and function of any two organelles from this list.
b) Describe in brief the structure of disaccharides? How is maltose different from sucrose?

2. a) What are the blood group substances? How do they chemically differ from each other?
b) What are lipoproteins? What is their functional role?

3. a) List the important functions of biomembranes.
b) What are the main steps involved in transcription? Briefly describe the process of
transcription in a cell.

4. a) Write the structures of tyrosine and tryptophan. Which group are they categorized into and why?
b) Describe the steps involved in the synthesis of a polypeptide.

5. a) Name the types of interactions involved in the primary and higher-order structures of protein. How is the primary structure of proteins different from the structural formula of organic compounds?
b) Differentiate between the following pairs.
i) Cofactor and Coenzyme
ii) Apoenzyme and Holoenzyme

PART-B (Maximum – 50)

6. a) Explain the mechanism involved in the enzyme catalysis of biochemical reactions.
b) Define the following:
i) Entropy
ii) Free energy
iii) Metabolism
iv) Metabolites

7. a) Explain with the help of examples what is meant by the convergent and divergent nature of metabolism.
b) Describe in brief the first ATP – generating step of glycolysis.

8. a) Name the enzyme involved in the conversion of pyruvate to acetyl–CoA. Explain how it is different from the other enzymes.
b) Which metabolic processes do the following reactions belong to? What is the similarity between the two?
i) Pyruvate Oxaloacetate
ii) Acetyl–SCoA Malonyl-CoA

9. a) Taking a suitable example explain the inhibition of protein biosynthesis by antibiotics in prokaryotes.
b) How is the polypeptide chain elongated during protein biosynthesis? Describe the process.

10. a) Name the different RNAs found in the cell and explain the structure of any one of these.
b) What are the similarities and differences between RNA replication and RNA transcription? Explain.

Wrapped Up

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