Cells Flashcards
A term used to describe an organism that is made up of many cells.
Multicellular
An instrument that uses glass lenses to magnify an object.
Microscope
A large group of one-celled organisms that sometimes cause disease.
Bacteria
The outer boundary of the cytoplasm, a layer that controls what enters or leaves the cell; a protective covering enclosing an entire cell.
Cell Membrane
A thick, gelatin-like material contained within the cell membrane. Most of the work of the cell is carried out in cytoplasm.
Cytoplasm
The structure in a eukaryotic cell that contains the genetic material a cell needs to reproduce and function.
Nucleus
A cell in which the genetic material is enclosed within a nucleus, surrounded by its own membrane.
Eukaryotic Cell
A cell that lacks a nucleus and other organelles, with DNA that is not organized into chromosomes.
Prokaryotic Cell
A structure in a cell that is enclosed by a membrane and that performs a particular function.
Organelle
A protective outer covering that lies just outside the cell membrane of plant cells.
Cell Wall
An organelle in a plant cell that contains chlorophyll, a chemical that uses the energy from sunlight to make sugar.
Chloroplast
Organelles that release energy by using oxygen to break down sugar.
Mitochondria
The specific organization of a cell and its structure that allows it to perform a specific function.
Specialization
A group of similar cells that are organized to do a specific job.
Tissue
A structure in a plant or an animal that is made up of different tissues working together to perform a particular function.
Organ
