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13 Cards in this Set

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bacteria
smallest organisms on Earth, each of which is made up of only one cell
cell membrane
flexible structure that holds a cell together, forms a boundary between the cell and its environment, and helps control what enters and leaves the cell
cell wall
structure of plants, algae, fungi, and many types of bacteria that supports and protects the cell membrane.
cytoplasm
gelatinlike substance inside the cell membrane that contains water, chemicals, and cell parts.
organelles
specialized cell parts that perform a cell's activities
nucleus
cell organielle that contains the hereditary material.
vacuole
balloonlike cell organelle in the cytoplasm that can store food, water, and other substances
mitochondria
cell organelles where cellular respiration takes place
photosynthesis
process by which plants, algae, and many types of bacteria make their own food.
chloroplast
green organelle in a plant's leaf cells where most photosynthesis takes place
tissue
group of similar cells that all do the same work
organ
structure made of two or more different tissue types that work together to do a certain job.
organ system
group of organs that work together to perform a certain job.