| A | B |
|---|
| fermentation | the breakdown of sugar without using oxygen |
| photosynthesis | the process in which a plant makes food using the sun's energy |
| osmosis | diffusion of water across a semipermeable membrane |
| cilia | tiny, hairlike parts around certain organisms; used for movement |
| chlorophyll | green pigment in plant cells |
| system | a group of organs working together to perform a function |
| cell theory | accepted ideas about the importance of cells in living things |
| epithelial | a type of tissue found in skin and body linings |
| cell | the basic unit of a living thing |
| ATP | a nucleotide that temporarily stores energy |
| respiration | the breakdown of sugar using oxygen |
| plasmolysis | contraction of a cell's cytoplasm because of water loss |
| active transport | movement of molecules by using energy |
| organ | a group of tissues working together to perform a function |
| protoplasm | all the living material of a cell |
| diffusion | a way particles move from a place of greater concentration to a place of lesser concentration |
| pseudopod | fingerlike shape formed along the outside of certain single-celled organisms |
| mitochondria | energy-producing cell structure |
| nuclear membrane (envelope) | structure that encloses the nucleus |
| ribosome | structure in cell that is able to turn amino acids into proteins |
| flagella | long thread attached to the bodies of some organisms; used for movement |
| cell wall | an outside covering that all plant cells have and that is not found in animal cells |
| cytoplasm | jellylike material found between the cell membrane and nucleus |
| structure | part of an object that contributes to its organization |
| permeable | type of cell membrane that allows all molecules to pass through |
| tissue | a group of cells of the same type, working together |
| endoplasmic reticulum | strands in the cytoplasm that are involved in transporting cell materials |
| vacuole | round, clear storage structure in cell |
| semi-permeable | type of cell membrane that lets only some molecules pass through |
| cell membrane | a thin covering that all pant and animal cells have (semi-permeable) |
| function | what a thing does |
| chloroplast | plant structure involved in food making |
| passive transport | uses no energy and substances pass back and forth through many pores in the membrane |
| Leewnhoek | father of the modern microscope; called microorganisms "animalcules" |
| Virchow | observed cells and concluded that all cells come from other cells |
| Hooke | used a microscope to look at pieces of cork |
| Schwann | believed cells were the basic usnits of all animals |
| Schlieden | believed cells were the basic units of all plants |
| Pasteur | experimented with broth in flasks to show that all life comes from life |
