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vocab. 3

TermDefinition
Cell basic unit of life
Cell theory theory that states that all organisms are made of cells, all cells are produced by other living cells, and all living things must carry out life functions by cells
Organelle(s) membrane-bound structure that is specialized to perform a distinct process within a cell
Organism any individual living thing
Cytology the branch of biology concerned with the structure and function of plant and animal cells.
Nucleus controls most of the cells actives
Diffusion movement of dissolved molecules in a fluid or gas from a region of higher concentration to a region of lower concentration
Osmosis an area of higher water concentration to an area of lower water concentration
Active transport energy requiring movement of molecules across a membrane from a regionof lower concentration to a region of higher concentration
Phagocytosis (“cell eating”) taking in large, undissolved particles into vacuole(s)
Pinocytosis (“cell drinking”) taking in large, dissolved molecules
Semi-permeable allowing certain substances to pass through it but not others, especially allowing the passage of a solvent but not of certain solutes.
Mitochondria supplies energy to the cell
Ribosome(s) (“small dots”) site of protein syntheis
Cell wall rigid structure that gives protection,support, and shape to the plant cell
Viruses infectious particle made only of a strand of either DNA or RNA surroundeed by a protein coat
Centriole(s) help cells to divide
Chloroplast(s) traps sunlight (where photosynthesis occurs)
Phylum organisms possessing same body make up
Endoplasmic reticulum usage of channels or canals to transport materials within the cell
Created by: Katherine Acotsa