briefly discuss classification of plastids
Answers
Answer:
Chloroplasts are what the name describes, a place for the pigments to be stored and synthesized in the plant. These are found in flowering plants, fruits, and aging leaves. The chloroplasts actually convert over to chloroplasts. There are carotene pigments here that allow for the different colors you see in fruits and the fall leaves. One of the main reasons for these structures and the colors is to attract pollinators.
Gerontologists are basically chloroplasts that are going through the aging process. These are chloroplasts of the leaves that are beginning to convert into different organelles or are being re-purposed, since the leaf is no longer utilizing photosynthesis .
Leucoplasts are the non-pigmented organelles. Unlike the others we have talked about, leucoplasts have no color at all. They are found in the non-photosynthetic parts of the plant, such as the roots. Depending on what the plant needs, they may become essentially just storage sheds for starches, lipids, and proteins. They are more readily used for synthesizing amino acids and fatty acids.
Leucoplasts are further subdivided into three different plastids:
- Amyloplasts
- Proteinoplasts
- Elaioplasts
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Explanation:
plastids are found in all plant cell and euglenoid etc.
depending upon their colour and pigment they contain, these are of three main types- leucoplast, chromoplasts and chloroplasts.
1- leucoplast: they are colourless plastids which occur near the nucleus in non green cells.
2- chromoplasts: these plastids are yellow, orange or reddish in colour because of presence of carotenoids pigment.
3- chloroplasts: they are greenish plastids which possess photosynthetic pigment, chlorophylls and carotenoids and take part in the synthesis of food.