Biomolecules: proteins, carbohydrates, lipids, nucleic acids

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• Match List I with List II.List I: A. Adenosine B. Adenylic acid C. Adenine D. AlanineList II: I. Nitrogen base II. Nucleotide III. Nucleoside IV. Amino acidChoose the option with all correct matches. Answer: 3. A-III, B-II, C-I, D-IV Key idea: Know the building blocks of nucleic acids: base, nucleoside, nucleotide. Adenosine = adenine + s... Biomolecules: proteins, carbohydrates, lipids, nucleic acids 1 answer
• Match List I with List IIList I: A. GLUT-4; B. Insulin; C. Trypsin; D. CollagenList II: I. Hormone; II. Enzyme; III. Intercellular ground substance; IV. Enables glucose transport into cellsChoose the correct answer from the options given below: Answer: 2. A-IV, B-I, C-II, D-III Key idea: match the protein with its role. GLUT-4: enables glucose transport into cells (IV). Insulin: hor... Biomolecules: proteins, carbohydrates, lipids, nucleic acids 1 answer
• Lecithin, a small molecular weight organic compound found in living tissues, is an example of: Answer: 3. Phospholipids Key idea: lecithin is a phospholipid. It has glycerol, two fatty acids, a phosphate group and a choline head. Becau... Biomolecules: proteins, carbohydrates, lipids, nucleic acids 1 answer
• Given below are two statements:Statement I: A protein is imagined as a line, the left end represented by first amino acid (C-terminal) and the right end represented by last amino acid (N-terminal)Statement II: Adult human haemoglobin, consists of 4 s… Answer: 1. Statement I is false but Statement II is true. Key idea: Check the orientation of a protein and the structure of haemoglobin. Sta... Biomolecules: proteins, carbohydrates, lipids, nucleic acids 1 answer
• Cellulose does not form blue colour with Iodine because Answer: 4. It does not contain complex helices and hence cannot hold iodine molecules. Key idea: The blue colour of the starch-iodine test c... Biomolecules: proteins, carbohydrates, lipids, nucleic acids 1 answer
• Match List - I with List - II.List - I (Biological Molecules): (a) Glycogen (b) Globulin (c) Steroids (d) ThrombinList - II (Biological functions): (i) Hormone (ii) Biocatalyst (iii) Antibody (iv) Storage productChoose the correct answer from the opt… Answer: 1. (a) - (iv), (b) - (iii), (c) - (i), (d) - (ii) Key idea: Match molecule and function. (a) Glycogen: storage product, (iv). (b) Gl... Biomolecules: proteins, carbohydrates, lipids, nucleic acids 1 answer