cell biology vocab

the smallest unit that can carry on all of the processes of life

• cell
• cell theory
• plasma membrane
• cytoplasm

all living organisms are composed of one or more cells; cells are the basic units of structure and function in an organism; cells come only from the reproduction of existing cells.

• cell
• cell theory
• plasma membrane
• cytoplasm

the cell's outer boundary that covers a cell's surface and acts as a barrier between the inside and the outside of a cell

• cell
• cell theory
• plasma membrane
• cytoplasm

the region of the cell that is within the plasma membrane and that includes the fluid, the cytoskeleton, and all of the organelles except the nucleus

• cell
• cell theory
• plasma membrane
• cytoplasm

the part of the cytoplasm that includes moelcules and small particles, but not the membrane-bound organelles

• cytosol
• nucleus
• prokaryote
• eukaryote

membrane-bound organelle that contains a cell's DNA

• cytosol
• nucleus
• prokaryote
• eukaryote

organisms that lack a membrane-bound nucleus and membrane-bound organelles

• cytosol
• nucleus
• prokaryote
• eukaryote

organisms made up of one or more cells that have a nucleus and membrane-bound organelles

• cytosol
• nucleus
• prokaryote
• eukaryote

well-definted, intracellular bodies that perform specific functions for the cell

• organelle
• tissue
• organ
• organ system

a group of similar cells and their products that carry out a specific function

• organelle
• tissue
• organ
• organ system