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Mcqs MBBS Exams India
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(Single Best Answer) Question 81: The comparison of the amino acid sequence of Cytochrome C from different species shows many variations. Most of these variations are found ?
A) Randomly
B) Only in helical regions
C) Only in strand regions
D) Mainly in loop regions
Answer (Select an option above to get the answer):
(Single Best Answer) Question 82: The structural proteins are involved in maintaining the shape of a cell or in the formation of matrices in the body. The shape of these proteins is ?
A) Globular
B) Fibrous
C) Stretch of beads
D) Planar
Answer (Select an option above to get the answer):
(Single Best Answer) Question 83: Iron is present in all of the following except ?
A) Myoglobin
B) Cytochrome
C) Catalase
D) Pyruvate Kinase
Answer (Select an option above to get the answer):
(Single Best Answer) Question 84: In stearic acid oxidation, the amount of ATP released is ?
A) 129 ATP
B) 139 ATP
C) 142 ATP
D) 146 ATP
Answer (Select an option above to get the answer):
(Single Best Answer) Question 85: Folic acid deficiency is diagnosed by ?
A) AICAR estimation
B) FIGLU estimation
C) Peripheral blood smear examination
D) All of the above
Answer (Select an option above to get the answer):
(Single Best Answer) Question 86: Which of the following sequences is complimentary to TGGCAGCCT ?
A) ACCGTCGGA
B) AGGCTGCCA
C) ACCGUCGGA
D) TGGCTCGGA
Answer (Select an option above to get the answer):
(Single Best Answer) Question 87: The most abundant glycoprotein present in basement membrane is?
A) Laminin
B) Fibronectin
C) Collagen type 4
D) Heparan sulphate
Answer (Select an option above to get the answer):
(Single Best Answer) Question 88: To which of the following family of chemical mediators of inflammation, the Lipoxins belong?
A) Kinin system
B) Cytokines
C) Chemokines
D) Arachidonic acid metabolites
Answer (Select an option above to get the answer):
(Single Best Answer) Question 89: Cytochrome C of the bacteria has 50% identity of amino acid sequence with that of human. Which of the following is the most conserved parameter in these two proteins?
A) Quaternary structure
B) Tertiary structure
C) Amino acid sequence
D) Loop and turn segments
Answer (Select an option above to get the answer):
(Single Best Answer) Question 90: Which of the following groups of proteins assist in the folding of other proteins?
A) Proteases
B) Proteosomes
C) Templates
D) Chaperones
Answer (Select an option above to get the answer):