Question
Differentiate between the morphology of stems and roots.
| S. No | Stem | Root |
| (i) | It is the above-ground part of the plant. | It is the underground part of the plant. |
| (ii) | It shows nodes and internodes. | It does not show nodes and internodes. |
| (iii) | It bears axillary and terminal buds. | It does not bear any bud. |
| (iv) | It is generally green, when young. | It is generally non green. |
| (v) | It is positively photo tropic and negatively geotropic. | It is negatively phototropic and positively geotropic. |
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How are proteins formed? Describe the primary, secondary and tertiary structures of proteins.