cells having an outer covering

states that all organisms are made up of one or more cells

tough, rigid outer coverings that protect the cell and give it shape

green, chlorophyll containing, plant-cell organelle that converts sunlight, carbon dioxide, and water into sugar

cells that are filled with a gelatin-like substance that constantly flows inside the cell membrane

a series of folded membranes in which materals can be processed and moved around inside of the cell

stacked, flattened membranes that sort proteins and other cellular substances and package them into membrane-bound structures

living cell in which a virus can actively reproduce or in which a virus can hide until activated by environmental stimuli

cell organelle that breaks down lipids and carbohydrates and releases energy

organelle that controls all the activities or a cell and contains hereditary material made of proteins and DNA

structure, such as the heart, made up of different types of tissues that all work together

structure in the cytoplasm of a eukaryotic cell that can act as a storage site, process energy, move materials. or manufacture substances

small structure on which cells make their own proteins

group of similar cells that work together to do one job

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