write a short note on plastids
Answers
Plastids:
Plastids are the site of manufacture and storage of important chemical compounds used by the cell. They often contain pigments used in photosynthesis, and the types of pigments in a plastid determine the cell's color.
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It is one of the main distinguish characteristic of most plant cells is the presence of plastids.
The credit for the discovery of these organelles is generally given to schimper (1880).
The term 'plastid' was coined by E. hackle(1866).
It is generally contained pigments and may synthesise and accumulate various substances.
Some plastids are devoid of pigments and they serve primarily for the storage of various substances.
The plastids are divided into three types:-
a) Leucoplast
b) chromoplast
C) chloroplast