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Ch. 3 cells

vocab sec. 1,2,3

Worddefinition
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
Created by: manchester