| 1. | Most carbohydrates function primarily as structural components in cell walls. |
| 2. | They serve as energy stores, fuels, and metabolic intermediates. |
| 3. | Carbohydrates are commonly found as steroids and hormones in organisms. |
| 4. | They are involved in cell recognition and signalling processes. |
| I: | Cellulose does not contain complex helices. |
| II: | Inulin is a polymer of fructose. |
| III: | Left end of glycogen is the reducing end |
| a: | Plant cell walls are made of cellulose. |
| b: | Fungal cell walls are made of chitin. |
| c: | True bacterial cell walls are made of lipopolysaccharides. |
| d: | Archaeal cell walls are made of sporopollenin. |