Which of the following bio-molecules is strictly not a polymer?
1. | Carbohydrates | 2. | Proteins |
3. | Fats | 4. | Nucleic acids |
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Most of the polymerization reactions result from:
1. | Redox reactions | 2. | Dehydration synthesis |
3. | Hydrolysis | 4. | Isomerization |
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The R group in a proteinaceous amino acid is hydroxymethyl. This amino acid:
1. is not an essential amino acid
2. is not genetically coded for
3. is involved in disulfide linkage
4. is acidic in nature
The given compound:
1. | is a storage product in archaea |
2. | is the source of energy in fungi |
3. | is present in the cell walls of gram negative bacteria |
4. | is a structural component of plasma membrane |
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Identify the given nitrogenous base:
1. | Adenine | 2. | Guanine |
3. | Thymine | 4. | Cytosine |
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Which of the following components is found in least amounts in an average cell?
1. | Carbohydrates | 2. | Fats |
3. | Nucleic acids | 4. | Proteins |
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Most abundant protein in the whole of the biosphere is:
1. | Collagen | 2. | Cellulose |
3. | RuBisCO | 4. | Keratin |
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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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Adenine and guanine are:
1. Substituted purines
2. Substituted pyrimidines
3. Deoxyribonucleosides
4. Ribonucleotides
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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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