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Observe the following figure and name the type of bond shown by the arrow in the structure.

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Answer the following question.
How many types of polysaccharides you know?
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Answer the following question.
Enlist the significance of carbohydrates.
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Answer the following question.
What is reducing sugar?
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Answer the following question.
What is the basic difference between saturated and unsaturated fatty acid?
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Answer the following question.
Enlist the examples of simple protein and add their significance.
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Answer the following question.
Explain the secondary structure of a protein with examples.
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Answer the following question.
Explain the induced fit model for the mode of enzyme action.
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Answer the following question.
What is RNA? Enlist types of RNA.
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Answer the following question.
Describe the concept of metabolic pool.
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Answer the following question.
How do secondary metabolites useful for mankind?
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Complete the following chart.
| Protein | Physiological role |
| Collagen | ___________ |
| __________ | Responsible for muscle contraction |
| Immunoglobulin IgG | ___________ |
| ___________ | Significant in respiration |
| Fibrinogen | ____________ |
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Answer the following with reference to the following figure.

- Name the type of bond formed between two polypeptides.
- Which amino acid is involved in the formation of such bond?
- Amongst I, II, III and IV structural level of protein, which level of structure includes such bond?
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Match the following items given in column I and II.
| Column I | Column II | ||
| i. | RNA | a. | Induced fit model |
| ii. | Yam plant | b. | Flax seeds |
| iii. | Koshland | c. | Hydrolase |
| iv. | Omega-3-fatty acid | d. | Uracil |
| v. | Sucrase | e. | Anti-fertility pills |
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Long answer question.
What are biomolecules?
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Explain the biomolecules building blocks of life.
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Long answer question.
Explain the classes of carbohydrates with examples.
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Long answer question.
Describe the types of lipids and mention their biological significance.
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Long answer question.
Explain the chemical nature, structure and role of phospholipids in the biological membrane.
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