Rajiv Gandhi University of Health Sciences, Karnataka

MBBS Phase – I Degree Examination - JULY-2019

Time: Three Hours

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Max. Marks: 50 Marks

BIOCHEMISTRY – PAPER I (RS2 & RS3)

Q.P. CODE: 1079

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Your answers should be specific to the questions asked

Draw neat, labeled diagrams wherever necessary

(Note: Both QP Codes 1079 and 1080 are to be, answered within total duration of three hours)

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(Use separate Answer books for QP Code 1079 & 1080)

LONG ESSAYS 1 x 10 = 10 Marks

1. Describe the Metabolism of phenylalanine and tyrosine and inborn errors associated with it.



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SHORT ESSAYS 5 x 5 = 25 Marks

1. Describe the steps of beta oxidation of fatty acids from palmitic acid to acetyl CoA.
2. Classify carbohydrates with two examples for each class and subclass.
3. Draw a labeled structure of cell with two organelles. Describe the functions of four organelles.
4. Fatty liver

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5. Temperature and pH as factors affecting velocity of enzyme catalysed reactions, with examples

SHORT ANSWERS 5 x 3 = 15 Marks

1. Fasting and glucose tolerance test criteria for diagnosis of diabetes mellitus
2. Specialized products formed from glycine

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3. Anapleurotic reactions of citric acid cycle for three intermediates
4. Site specific inhibitors of electron transport chain with one example for each site
5. Phase two reactions of detoxification

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