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Mind Map: Biomolecules
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FAQs on Mind Map: Biomolecules
| 1. What are the four main types of biomolecules and how do they differ? |  |
Ans. The four main biomolecules are carbohydrates, proteins, lipids, and nucleic acids. Carbohydrates provide energy and structural support; proteins perform most cellular functions through enzymes and antibodies; lipids store energy and form cell membranes; nucleic acids (DNA and RNA) store and transmit genetic information. Each plays distinct roles in living organisms based on their unique chemical structure and composition.
| 2. How do I remember the difference between monosaccharides, disaccharides, and polysaccharides? | |
Ans. Monosaccharides are single sugar units like glucose and fructose. Disaccharides contain two sugar molecules bonded together, such as sucrose and lactose. Polysaccharides are long chains of glucose units, including starch, glycogen, and cellulose. The prefix indicates how many sugar units combine-mono (one), di (two), poly (many)-making classification straightforward for NEET preparation.
| 3. What's the actual difference between DNA and RNA in terms of structure and function? | |
Ans. DNA contains deoxyribose sugar and thymine bases, storing genetic information in a double helix. RNA contains ribose sugar and uracil instead of thymine, typically existing as a single strand and functioning in protein synthesis. Both are nucleic acids made of nucleotides, but DNA is stable for long-term storage while RNA is temporary and catalytic, crucial for understanding biomolecule organisation in Class 11 Chemistry.
| 4. Why do proteins fold into specific shapes and what determines their structure? | |
Ans. Protein structure depends on the sequence of amino acids and interactions between them-hydrogen bonds, ionic bonds, disulfide bridges, and hydrophobic effects. This determines whether proteins are enzymes, hormones, or structural components. The primary sequence of amino acids directly governs secondary, tertiary, and quaternary structures, affecting how proteins function in cells and tissues during biochemical processes.
| 5. How are lipids different from other biomolecules and why can't they dissolve in water? | |
Ans. Lipids are primarily hydrophobic (water-repelling) molecules with long hydrocarbon chains or rings, unlike carbohydrates and proteins which are hydrophilic. This non-polar nature prevents water solubility, allowing lipids to form cell membranes and store concentrated energy. Fats, oils, waxes, and steroids represent diverse lipid types, each serving specialised roles in metabolism and cellular structure crucial for NEET Chemistry examinations.
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Document Description: Mind Map: Biomolecules for NEET 2026 is part of Chemistry Class 11 preparation. The notes and questions for Mind Map: Biomolecules have been prepared according to the NEET exam syllabus. Information about Mind Map: Biomolecules covers topics like and Mind Map: Biomolecules Example, for NEET 2026 Exam. Find important definitions, questions, notes, meanings, examples, exercises and tests below for Mind Map: Biomolecules.
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