Word | definition |
cell membrane | a cells outer covering |
cytoplasm | a gelatinlike substance within a cell |
hereditary material | the passing of traits from parents to offspring |
red blood cell | a cell that can change shape in your bloodstream |
nerve cell | a cell that can not change shape |
prokaryote | only in bacteria |
Eukaryote | in all but bacteria |
cell wall | gives a plant support and protects its cells |
cellulose | a carbohydrate in cell walls |
pectin | used in jam and jelly |
lignin | a compund that makes cell walls rigid |
proteins | regulates cell processes and build structures |
cytoskeleton | network of fibers in cytoplasm |
cytoskeleton | gives cells structure and helps them maintain shape |
organelles | tiny organs |
nucleus | controls all of the cells activities |
DNA | the chemical that determines everything about a cell |
chromosones | protein tightly wrapped in hereditary material |
nucleolus | a structure found in the nucleus |
chloroplasts | green organelle that makes food |
chlorophyll | makes chloroplasts green |
mitochondria | the powerhouse of the cell |
ribosome | proteins of small structures |
rough ER | attached ribosomes |
smooth ER | no attached ribosomes |
endoplasmic reticulum | folded layers of membrane that function as a transportation system |
golgi bodies | stacked flattened membranes that package proteins |
lysosomes | garbage disposals |
tissue | a group of similar cells that work together to perform one job |
organ | a structure made up of two or more different structures |
organ system | a group of organs working together to perform a specific function |
Cardiovascular system | heart, arteries,veins, and capillaires |
simple microscope | has only one lens |
compound light microscope | has two sets of lenses |
SEM Electron Microscope | sweeps electrons over a specimens surface causeing it to emit its own electrons |
TEM electron microscope | aims a beam of electrons through a specimen |
STM electron microscope | shows the arrangement of atoms on the surface of a molecule |
magnification | the process of visually enlarging the size of an object |
cell theory | all cells come from other cells |
cell theory | all organisms consist of one or more cells |
organ system | a group of organs working together to perform a specific function |
Cardiovascular system | heart, arteries,veins, and capillaires |
simple microscope | has only one lens |
compound light microscope | has two sets of lenses |
SEM Electron Microscope | sweeps electrons over a specimens surface causeing it to emit its own electrons |
TEM electron microscope | aims a beam of electrons through a specimen |
STM electron microscope | shows the arrangement of atoms on the surface of a molecule |
magnification | the process of visually enlarging the size of an object |
cell theory | all cells come from other cells |
cell theory | all organisms consist of two or more cells |
cell theory | the cell is the basic unit of life |
virus | hereditary material with a protein coating |
host cell | the cell in which a virus is using to multiply |
active virus | a virus currently destroying cells |
latent virus | a virus currently not doing anything |
vaccine | a cure for a disease |
antibiotics | things that kill bacteria |
Gene therapy | prevention of a hereditary disease by removing of the genes that contain it |
Robert Hooke | first to view cells |
Anton van Leeuwenhoek | made a simple microscope with a glass bead |
Matthias Schleiden | concluded that all plants are made of cells |
Theodor Schwann | concluded that all animals are made of cells |
Rudolf Virchow | discovered how cells multiply |
Edward Jenner | developed the first vaccine |
Interferons | proteins that protect cells from virus's |
bacteriophages | virus's that infect bacteria |
bacteria | prokaryotic single celled organism |
carbohydrates | organic molecules that supply energy for cell processes |
human egg cell | the cell that controls human reproduction |