The process by which living cells obtain a usable form of energy by combining oxygen with gluclose.
The process by which plant cells internally produce food in the form of gluclose by combinging sunlight with carbon dioxide and water.
The semipermeable membrane that enloses the cytoplasm of a cell.
The space between the cell membrane and the nucleus of a cell.
The process by which particles move from an area of higher to lower concentration.
The process by which water particles diffuse, or move from am area of higher to lower concentration across a selectively permeable membrane.
Describes a structure that allows certain substances to pass through, but not others.
A large membrane bound usually spherical structure whithin a living cell that contains the cell's genetic materal or DNA.
A structure within a cell such as a mitochondria, vacuole, or chloroplast, that performs a special function and contributes to a life on the cell as a whole.
A elongated organelle in the cytoplasm of nearly all cells which converts food into usuable energy for the cell.
The membrane enclosing the nucleus of a cell. Also called nuclear envelope.
A chlorophyll containing organelle found in plants that aids in capturing light used in photosyntesis.
Organelles found in the cytoplasm of a cell, bound by a single membrane and containing water, food, or metabolite waste.
A membrane netware within the cytoplasm of cells involved in the synthesis, modification, and transport of cellular materials.
Small round organelles found in the cytoplasm of living cells that serve as the site of protein synthesis.
Composed of a stack of about half a dozen vacuoles, whose purpose in hte cell are to prepare and stare chemical products produced in the cell and then to secrete these outside the cell.
A membrane bound organelle in the cytoplasm of most cells containg various enzymes that function in digestion.
A section that is cut along the width (or middle) of a structure
Unicellular, spherical,spiral, or rod shaped organisms lacking nuclei. Prokargote.
Unicellular organisms that contain nuclei which includes protozouns like amoeba and paramecium. Eukaryote.
Simple microscopic parasites of plants, animals, and bacteria that often cause disease: not considered cells or alive because then can not reproduce without the aid of a living cell