Inulin is a:
1. Disaccharide containing two galactose
2. Disaccharide containing fructose and galactose
3. Polymer of fructose
4. Polysaccharide used in microbial culture
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The first amino acid in the primary structure of a protein is termed as:
1. | C – terminus amino acid | 2. | N – terminus amino acid |
3. | An imino acid | 4. | Alpha amino acid |
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Quaternary structure is seen in proteins that:
1. act as biochemical catalysts
2. are embedded within the plasma membrane
3. are assembly of more than one subunits
4. do not have any structural role in the cell
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The double helix model of DNA by Watson and Crick exhibits its:
1. Primary structure | 2. Secondary structure |
3. Tertiary structure | 4. Quaternary structure |
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The strands of the DNA double helix are:
1. identical | 2. coiled around each other |
3. parallel to each other | 4. complementary to each other |
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At each step of ascent, the helical strand of DNA turns
1. 36 degree | 2. 34 degree |
3. 20 degree | 4. 180 degree |
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The pitch of DNA helix is:
1. 0.34 nm | 2. 3.4 nm |
3. 34 nm | 4. 340 nm |
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Almost all enzymes are:
1. Polysaccharides | 2. Proteins |
3. Nucleic acids | 4. Lipids |
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In the absence of carbonic anhydrase in the human body, the reaction between carbon dioxide and water leading to the formation of carbonic acid:
1. Will not occur | 2. Will slow down considerably |
3. Will get faster | 4. Will remain unaltered |
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Which of these can have catalytic activity?
1. RNA | 2. DNA |
3. Prostaglandins | 4. Sterols |
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