As previously mentioned, plastids are doubled membraned 'sac-like' organelles, generally involved in either the manufacture or storage of food. They include chloroplasts, chromoplasts and leucoplasts. All develop from proplastids: simple, generally colorless undifferentiated plastids..
Over the weekend a very funny Old Navy commercial starring Amy Poehler aired that basically focused on the butt of a woman wearing their new Pixie Pants. Immediately we (and many others) wanted to know who that woman was. Hereâs the answer.
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