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plastids responsible for pigment synthesis and storage. They mainly contain carotenoids, but can contain any pigment other than chlorophyll.
small groups of cells found in the pancreas that secrete the hormones insulin and glucagon.
all the ecosystems on the Earth, all the species within these ecosystems and the genetic...
a pattern of abnormalities found in babies born to mothers who drank excessive amounts of...
outgrowths that transmit nerve impulses away from the cell body of a neuron.