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M.F.N – 002
Nutritional Biochemistry IGNOU MFN 002 Solved Assignment 2022-23
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Assignment
I
1. a) Define isomers. Explain stereo isomerism and optical isomerism of monosaccharides in detail.
b) List any two chemical
properties of the following:
i) Fatty acids
ii) Proteins
2. a) Define protein
and its monomeric unit. Give classification of amino acid with the structural
formula.
b) Briefly describe
physio chemical properties of fat-soluble vitamin.
3. a) Define enzyme and
coenzyme. Explain models for mechanism of enzyme action in detail with diagram.
b) What are essential
fatty acids? Name any two essential fatty acids and their food sources.
4. a) Explain urea
cycle.
b) Explain ß-oxidation
of fatty acid with diagram.
5. a) What is the role
of pancreas in digestion of food? Explain.
b) How does the HMP
pathway differ from glycolysis? Discuss the metabolic significance of HMP
pathway in detail.
6. a) Work out the
energy (ATP) production when glucose is oxidized in the Glycolysis and citric
acid cycle pathways. (Illustrate the cycle and work out the ATP production)
b) What are free
radicals and antioxidants? Give examples of each.
7. a) Explain the
following:
(i) Role of Vitamin A
in the visual cycle.
(ii) Role of Vitamin D
in the intestinal absorption of calcium in our body.
b) What is inborn error
of metabolism? Enlist the disease related to carbohydrate metabolism and
explain any one.
8. a) Describe the
biochemical role of the hormones produced by the following glands in our body:
(i) Adrenal Medulla
(ii) Anterior Pituitary
b) Differentiate
between the following disease conditions:
i) Maple Syrup Urine
Disease and Alcaptonuria
ii) Thalassemia and
Sickle cell anaemia
Assignment
II
1. Explain the following in 2-3
sentences. Also give the structure wherever possible.
a. Amylopectin
b. Galactosemia
c. Dehydrogenation
d. Porphyrins
e. Apolipoproteins
f. Thromboxanes
g. Anaplerotic reaction
h. Isozymes
i. Mutarotation
j. Zwitterio
2. Name the defective enzyme in the
following diseases:
a) Phenylketonuria
b) Tyrosinemia Type I
c) Niemann-Pick disease
d) Hereditary Lactose
intolerance
e) Pentosuria
3. Match the following:
I Porphyrin A 3-hydroxybutyrate
II Ketone bodies B Heme
III Lipoprotein C Glutathione peroxidase
IV Lactate D HDL
V Selenium E Cori Cycle
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IGNOU MFN 002 Solved Assignment English Medium 2022-23 The Indira Gandhi National Open University has updated the IGNOU Assignment Status 2022-23 December Session so that students can know if their submission is completed or not. Now if you have also submitted your Assignment/Practical/Project till 15 December 2022 then you must be worried about the Assignment Status and Grade Card. So we decided to come up with https://ignouadmission.samarth.edu.in/ Assignment 2022-23.
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