1. | Lipids are generally water insoluble. |
2. | Fatty acids could be saturated (without double bond) or unsaturated (with one or more C=C double bonds). |
3. | Glycerol is trihydroxy propane. |
4. | No lipids have both glycerol and fatty acids. |
1. | have molecular weights ranging from 18 to around 800 daltons (Da) approximately. |
2. | include lipids. |
3. | are all polymeric substances. |
4. | correspond to the cytoplasm of a typical cell. |
1. | starch | 2. | collagen |
3. | cellulose | 4. | glycogen |
Assertion: | The starch-I2 is blue in colour. |
Reason: | Starch forms helical secondary structures and can hold I2 molecules in the helical portion. |
1. | (A) is True but (R) is False. |
2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
3. | (A) is False but (R) is True. |
4. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
I: | In a polypeptide or a protein, amino acids are linked by a peptide bond. |
II: | In a polysaccharide, the individual monosaccharides are linked by a glycosidic bond. |