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A&P 1 Ch3

Ch 3 A&P1

TermDefinition
Endocytosis active transport of substance into cell
Exocytosis active transport of substance out of cell
Phagocytosis endocytosis; cell envelopes (eats) substance
Cilia microscopic hairs on cell that aid in movement & transport
Ribosome organelle responsible for protein synthesis
Mitochondria organelle which produces energy for the cell
Golgi Apparatus organelle which packages and distributes material in vessicles
Smooth Endoplasmic Reticulum (ER) organelle which produces carbohydrates and lipids
Rough Endoplasmic Reticulum (ER) organelle which has ribosomes which produce proteins
Lysosome organelle which contains digestive enzymes
Nucelotides Building blocks for nucleic acids
Translation Converting mRNA to tRNA and then into proteins is called
Transcription Converting DNA to mRNA is
Nucleus Where does transcription take place
Nucleus Largest organelle
Semi-permeable phospolipid bilayer What describes cell membrane's?
Diffusion Movement of a substance from an area of greater concentration to area of lower concentration
Facilitated diffusion Movement of a substance from an area of greater concentration to area of lower concentration, but uses a carrier
Passive Describes movement as not requiring energy
Active Movement requires energy
Osmosis Passive movement of water from an area of greater concentration to lesser concentration
Cytosol Liquid portion of the cytoplasm
Exocytosis Active transport of a substance out of a cell
Vesicle Fluid-filled structure
ATP What is the molecule the cell uses for energy
Chromatin Contains unorganized DNA
Nucleus Where DNA is stored in the cell
Gene DNA sequence which codes for a specific protein or trait
Diffferentiation Process where cells express only a specific portion of DNA for a specific function
Protein What type of molecule is an enzyme?
Cell will swell or rupture What will happen to a cell placed in a hypotonic solution?
Cell will shrink What will happen to a cell placed in a hypertonic solution?
Hypotonic A solution with a low amount of solutes
Hypertonic A solution with a high amount of solutes
Created by: DrGreimel