Please answer to the question number 4 and 5 and 2
Dear student,
( ii) Difference
# Medullated Nerve Fibres:
1. Medullary sheath is present.
2. They appear white in fresh state
3. Nodes of Ranvier are present at intervals.
4. Collateral nerve fibres are present.
Non-Medullated Nerve Fibres:
1. Medullary sheath is absent.
2. They appear grey in fresh state.
3. Nodes of Ranvier are absent.
4. Collateral nerve fibres are absent
( iv)1) Chloroplast are green coloured plastids whereas leucoplasts are colourless plastids 2) chloroplasts contains photosynthetic pigments. (chlorophyll + carotenoids) whereas luecoplasts do not contains photo synthetic pigments . 3) chloroplast help in photosynthesis whereas leucoplasts function is food storage . Based on this leucoplasts are of 3 types Amyloplasts - starch storage Elaioplast - oil/lipid storage Aleuroplasts - protein storage
For more post questions in a separate thread.
Regards
( ii) Difference
# Medullated Nerve Fibres:
1. Medullary sheath is present.
2. They appear white in fresh state
3. Nodes of Ranvier are present at intervals.
4. Collateral nerve fibres are present.
Non-Medullated Nerve Fibres:
1. Medullary sheath is absent.
2. They appear grey in fresh state.
3. Nodes of Ranvier are absent.
4. Collateral nerve fibres are absent
( iv)1) Chloroplast are green coloured plastids whereas leucoplasts are colourless plastids 2) chloroplasts contains photosynthetic pigments. (chlorophyll + carotenoids) whereas luecoplasts do not contains photo synthetic pigments . 3) chloroplast help in photosynthesis whereas leucoplasts function is food storage . Based on this leucoplasts are of 3 types Amyloplasts - starch storage Elaioplast - oil/lipid storage Aleuroplasts - protein storage
For more post questions in a separate thread.
Regards