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in biology, the smallest unit that can perform all life processes; cells are covered by a membrane and have DNA and cytoplasm
a phospholipid layer that covers a cell's surface; acts as a barrier between the inside of a cell and the cell's environment
one of the small bodies in a cell's cytoplasm that are specialized to perform a specific function
in a eukaryotic cell, a membrane-bound organelle that contains the cell's DNA and that has a tole of processes such as growth, metabolism, and reproduction
an organism made up of cells that have a nucleus enclosed by a membrane; eukaryotes include animals, plants, and fungi, but not archaea or bacteria
all organisms are made of one or more cells, the cell is the basic unit of all living things
a system of membranes that is found in a cell's cytoplasm and that assists in the production, processing, and transport of proteins and in production of lipids
in eukaryotic cells, the cell organelle that is surrounded by two membranes and that is the cite of cellular respiration
cell organelle that helps make and package materials to be transported out of the cell
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