Question

what is proplastid ?

Answer 1

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Proplastids are colorless precursors of plastids. Plastids develop from proplastids.
Proplastids differentiate into various types of plastids such as leucoplasts, chromoplasts and chloroplasts.

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Answer 2

A proplastid is an organelle found in the meristematic regions of the plant. It is colourless and small. It is from where plastids are derived. It is still undeveloped and may divide to produce more proplastids.

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