A | B |
structure made up of different types of tissues that work together | organ |
green organelles in the cytoplasm of plant cells where photosynthesis occurs | chloroplasts |
gelatinlike material inside every cell | cytoplasm |
allows certain materials to move into and out of the cell | cell membrane |
directs all activities of cells | nucleus |
releases energy in food that cells need to stay alive | mitochondria |
All organisms are made of cells and all cells come from another cell | cell theory |
surrounds the cell membrane of plant cells | cell wall |
a strand of hereditary material surrounded by a protein coating | virus |
a group of similar cells that work together to do one job | tissue |
cell that has a nuclear membrane | eukaryotic |
cell that does not have a nuclear membrane | prokaryotic |
first person to look at cells with a microscope | Robert Hooke |
series of folded membranes that move materials around in the cell | endoplasmic reticulum |
small structures in cells that make proteins | ribosomes |
organelle that package cellular substances to be removed from the cell | golgi bodies |
cell in which a virus multiplies itself | host |
structures within the cytoplasm | organelles |
stores water, waste products, and food | vacuoles |
recycling organelles which break down food molecules and cell wastes | lysosomes |
scaffolding-like structure in cytoplasm which helps cell keep its shape | cytoskeleton |
group of organs working together on one job | organ system |
solution made from weakened virus particles that prevents viral diseases | vaccine |
green substance in plants that captures the sun's energy | chlorophyll |
microscope with two sets of lenses, objective lenses and eyepiece lenses | compound light microscope |
instrument which uses a magnetic field to magnify images up to 1,000,000 times | electron microscope |
chemical that contains the code for the cell's structure and activities | DNA |