use as frequently as possible
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Organization of SYtems | cell tissue organ organ system organism
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| organism | anything that can live on its own
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| cell | membrane covered structure that contains all the materials necessary for life
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| tissue | group of cells that work together to perform a specific job
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| organ | two or more tissues working together to perform a specific job
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| organ system | group of organs working together ie) digestive,reparatory
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| Robert hooke | saw first(dead) cells in cork
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| anton van leewenhook | first observed living cells in pond water
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| all organisms are composed of one of more | cells
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| cell is the basic unit of life in all | living things
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| all cells come from other | cells
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| cells are small because the surface is not large enough to bring in enough______ or get rid of enough _________ to keep cell alive | nutrients,waste
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| Inside grows ______ than the outside inside is volume and outside is the surface area | faster
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| Big or ________ organisms have the same size of cells | small
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| no nucleus to contain DNA; it floats around i.e. bacteria | prokaryote
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| eukaryote | have no nucleus which contains DNA i.e. animal cells
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| organelles | little organs of function
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| cytoplasm | jellylike material that surrounds organelles
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| cell membrane | allows nutrients and waste to move into and out of the cell
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| nucleus (2 answers) | -largest organelle
-stores DNA-deoxyribonucleic acid: contains all the information to tell the organisms to tell the cell what to do.
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| nucleolus | in nucleus
stores material used to make ribosomes
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| ribosomes | smallest and most abundant organelle
where amino acids hook together to make proteins
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| endoplasmic reticulum | sacks and tunnels of membranes that carry substances to outside of cell
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| types of endoplasmic reticulum | rough-covered with ribosomes; transport proteins
smooth- is not covered with ribosomes
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| more info about endoplasmic recticulum ( I know its not a question) | -found a lot in cells that make proteins, lipids ,and enzymes
-break down chemicals that harm cells
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| Golgi bodies | flattened stacked membranes
-changes lipids and proteins, pinches them off into sacks (vesicles) and ships them out of the cell.
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| what's a vesicle | membrane bound structure that carries substances from Golgi bodies (sack)
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| lysosomes | contain digestive enzymes
breakdown old cells and bacteria, "garbage trucks of the cell"
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| more about lysosomes | white blood cells have a lot of lysosomes because they attack bacteria
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| mitochondria( Ms.fabish's fav) | energy is released in this organelle from glucose being broken down
-active organs like muscles have more mitochondria
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| Cristae | have inner folds that increase the surface area so more glucose can be broken down and more energy (ATP) released
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| Plant cells | have some organelles that animal cells don't have
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| cell wall | made of cellulose, tough and rigid
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| chloroplasts | contain chlorophyll-green pigment
absorb sunlight where volume occurs and glucose (sugar) is made
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| vacuoles | sack that contains water, waste material, food
makes up most of cells volume
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| shape of animal and plant cells | animal cell: usually round
plant cell: square
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| microscope | magnifies objects
-magnification: how much larger a specimen is when using a microscope
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Created by:
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