LEUCOPLASTIDS Antonyms

• a part of the cell containing DNA and RNA and responsible for growth and reproduction

• the positively charged dense center of an atom

• a small group of indispensable persons or things

• (astronomy) the center of the head of a comet; consists of small solid particles of ice and frozen gas that vaporizes on approaching the sun to form the coma and tail

• any histologically identifiable mass of neural cell bodies in the brain or spinal cord

• the central structure of the lens that is surrounded by the cortex

• a tiny cavity filled with fluid in the cytoplasm of a cell

• plastid containing chlorophyll and other pigments; in plants that carry out photosynthesis

• plastid containing pigments other than chlorophyll usually yellow or orange carotenoids

• A spherical or ovoid organelle found in the cytoplasm of eukaryotic cells and containing genetic material separate from that of the host; it is responsible for the conversion of food to usable energy in the form of ATP.

• (sometimes proscribed) mitochondrion

• a biological unit consisting of a nucleus and the body of cytoplasm with which it interacts