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Cell Parts
Term | Definition |
---|---|
prokaryotes | no nucleus/membrane bound organelles |
eukaryotes | has nucleus/membrane bound organelles |
bacteria are... | prokaryotes |
nucleus | controls cell, contains DNA in chromatin form PLANTS AND ANIMALS |
chromatin | long, linear pieces of DNA |
nucleolus | inside the nucleus; makes ribosomes PLANTS AND ANIMALS |
cytoplasm | holds cell organelles in place; where all chemical reactions take place; PLANTS, ANIMALS, PROS |
ribosomes | produce proteins (protein synthesis) |
protein synthesis | to make proteins |
mitochondria | powerhouse of the cell; make energy; PLANTS AND ANIMALS |
cellular respiration | mitochondria converting glucose (food we eat) into ATP (ANIMALS) |
vacuole | store different materials; ex. water or poison; PLANTS AND ANIMALS |
large central vacuole | food and water storage; ONLY IN PLANTS |
lysosomes | contain hydrolitic enzymes that digests worn out cell pieces ANIMAL AND PLANT |
peroxisomes | contain enzymes (catalases) that break down hydrogen peroxide |
rough ER | small ribosomes on it that make and transport protein ANIMAL AND PLANT CELLS |
smooth ER | no ribosomes on it, but they do synthesize lipids ANIMAL AND PLANT CELLS |
golgi body | packaging and delivery of proteins ANIMAL AND PLANT CELLS |
cytoskeleton | protein fibers that give the cell some shape/form; contain microfilaments and microtubules |
cilia | tiny hairs around a cell that help it move |
flagella | cell "tail" that helps cell move |
centrioles | helps a cell divide; ANIMAL CELLS ONLY |
cell wall | helps maintain structure and rigidness; made of cellulose; PLANT CELL ONLY |
cellulose | long string of glucose molecules that are indigestible! PLANT CELLS ONLY |
chloroplasts | contain chorophyll that helps a plant photosynthesize; PLANT CELLS ONLY |
chlorophyll | makes a plant green and helps plants photosynthesize; PLANT CELLS ONLY |
large central vacuole | one big vacuole that only PLANTS HAVE, and store materials in water environment |
endosymbiosis | chloroplasts and mitochondria evolved from tiny prokaryotes that lived inside of larger prokaryotes |