Question
Chlamydomonas is microscopic whereas Sargassum is macroscopic; both are algae. Which characters of these plants includes them in one group?
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| Groups of algae | Chlorophyceae | Phaeophyccac |
| 1. Stored food | Starch | |
| 2. Cell wall | — | Cellulose and algin |
| 3. Major pigments | — |
| Protein | Physiological role |
| Collagen | (i) |
| (ii) | Responsible for muscle contraction |
| Immunoglobulin | (iii) |
| (iv) | Significant in Respiration |
| Fibrinogen | (v) |