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11 Cards in this Set

  • Front
  • Back
The transport of dissolved substances into cells
Activation energy
Energy necessary to get a chemical reaction going
Active transport
Movement of molecules through the plasma membrane (typically opposite the dictates of osmosis or diffusion) aided by a chemical process
A three-nucleoctide sequence on tRNA
Cell wall
A rigid substance on the outside of certain cells, usually plant and bacteria cells
Central vacuole
A large vacuole that rests at the center of most plant cells and is filled with a solution which contains a high concentration of solutes
Clusters of DNA and proteins in the nucleus
Chromoplasts (kroh' muh plasts)
Organelles that contain pigments used in photosynthesis
A sequence of three nucleotides on mRNA that refer to a specific type of amino acid (196)
Cytology (sigh tahl' uhjee)
The study of cells (169)
Cytoplasm (sy' tub plaz uhm)
The rupturing of a cell due to excess internal pressure (185)