BBCCT 109 Solved Assignment 2021-22

 

BBCCT 109 Solved Assignment 2021-22

Metabolism of carbohydrates and lipids Core Course in Biochemistry

BBCCT 109 Solved Assignment 2021-22 : All assignments are in PDF format which would be send on email/WhatsApp (9958676204) just after payment.

Course Code: BBCCT 109

Assignment code: BBCCT 109/TMA/2021-2022

Maximum marks: 100

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

Write the answers in your own words; do not copy from the course material.

PART (A)

Marks: 50

1. Define the terms:

5X2= 10

(a) Chemoautotrophs

(b) Anaplerotic reactions

(c) Obligate anaerobes

(d) Fermentation

(e) Catabolism

2. (a) Which factors account for high phosphoryl group transfer potential of ATP? Name two compounds having phosphoryl group transfer potential higher than ATP.

5

(b) What is glycolysis? Draw reactions of its two phases and label their reactants, products and enzymes.

5

3. (a) With the help of a neatly labeled diagram, explain different steps of conversion of pyruvate to acetyl CoA by PDH complex.

5

(b) Write a short note on Pentose phosphate pathway and its importance.

5

4. (a) Justify, glycolysis and gluconeogenesis from pyruvate are not simple reversal of each other.

5

(b) Explain coordinated regulation of glycogenesis and glycogenolysis.

5

5. (a) What is photorespiration? Explain its significance?

5

PART (B)

Marks: 50

6. (a) What are the end products of β- oxidation of odd and even chain fatty acids? Describe regulation of β- oxidation of fatty acids?

5

(b) Define ketogenesis, is it a normal, physiological process? Explain why it goes up in conditions of starvation and uncontrolled diabetes?

5

7. (a) Calculate the number of ATP produced during conversion of palmitate to acetoacetate in liver with justification.

5

(b) Illustrate organization of various domains of animal fatty acids synthase and write their activities.

5

8. (a) Describe regulation of de novo lipogenesis in mammals.

5

(b) Write steps in formation of stearic acid and oleic acid from palmitic acid.

5

9. (a) Write in brief about the four stages of cholesterol biosynthesis.

5

(b) How is cholesterol biosynthesis regulated?

5

10. (a) How is ceramide converted to phosphosphingolipids?

5

(b) What are different fates of glucose in liver in a well fed state?

5

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BBCCT 109 Solved Assignment 2021-22 : All assignments are in PDF format which would be send on email/WhatsApp (9958676204) just after payment.

POST GRADUATE DIPLOMA IN AUDIO PROGRAMME PRODUCTION Bachelor’s Degree Programmes B.SC Biochemestry (Honours) ASSIGNMENTS

Dear Learner,

You have to submit one assignment in each course, i.e. BBCCT 109, BBCCT 109. All these are Tutor Marked Assignments (TMAs). Before attempting the assignments, please read the instructions provided in the Programme Guide carefully.

Kindly note, you have to submit these assignments to the Coordinator of your Study Centre within the stipulated time for being eligible to appear in the term-end examination. You must mention your Enrolment Number, Name, Address, Assignment Code and Study Centre Code on the first page of the assignment. You must obtain a receipt from the Study Centre for the assignments submitted and retain it. Keep photocopies of the assignments with you.

After evaluation, the assignments have to be returned to you by the Study Centre. Please insist on this and keep a record with you. The marks obtained by you will be sent by the Study Centre to the Student Evaluation Division at IGNOU, New Delhi.

Guidelines for Doing Assignments

There are five questions in each assignment, all carry equal marks. Attempt all the questions in not more than 500 words (each). You will find it useful to keep the following points in mind:

Planning: Read the assignments carefully. Go through the units on which they are based, make some points regarding each question and then rearrange them in a logical order

Organization and Presentation: Be analytical in your selection of the information for your answer. Give adequate attention to the introduction and the conclusion. Make sure that your answer is logical and coherent; has a proper flow of information.

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