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13 Cards in this Set

  • Front
  • Back
Activation energy
Minimum amount of energy needed for reactants to form products in a chemical reaction
Cytoplasm
Semi fluid material inside the cells plasma membrane
Cytoskeleton
Supporting network of protein fibers that provide a framework for the cells within the cytoplasm
Endoplasmic reticulum
Highly folded membrane system in eukaryotic cells that is the site for protein and lipid synthesis
Enzyme
Protein that speeds up a biological reaction by lowering the activation energy needed to start the reaction
Eukaryotic cells
Unicellular organisms with membrane bound nucleus and organelles; general larger and more complex than a prokaryotic cell
Prokaryotic cells
Microscopic unicellular organism without a nucleus or other membrane bound organelles
Fluid mosaic model
A plasma membrane with components constantly in motion, sliding past one another without the lipid bilayer
Ribosome
Simple cell organelle that helps manufacture proteins
Phospholipid Bilayer
Plasma membrane layers composed of phospholipid molecules arrange with polar heads facing the outside and nonpolar tails facing the inside
Nucleus
Center of an atom; contains neutrons and protons. in eukaryotic cells, the central membrane-bound organelle that manages cellular functions and contains DNA.
Selective permeability
Properly of the plasma membrane that allows it to control movement of substances into or out of the cell
Transport proteins
Protein that move substances or wastes through the plasma membrane