Biology I-1: Chapter 7 Vocab

basic unit of all forms of life

• cell
• receptor
• organ system
• cell membrane
• cell theory

fundamental concept of biology that states that all living things are composed of cells; that cells are the basic units of structure and function in living things; and that new cells are produced from existing cells

• cell theory
• cell
• receptor
• nucleus
• cell membrane

thin, flexible barrier that surrounds all cells; regulates what enters and leaves the cell

• cell membrane
• cell theory
• cell
• eukaryote
• nucleus

in cells, structure that contains the cell's genetic material in the form of DNA

• nucleus
• cell membrane
• cell theory
• prokaryote
• eukaryote

organism whose cells contain a nucleus

• eukaryote
• nucleus
• cell membrane
• cytoplasm
• prokaryote

unicellular organism that lacks a nucleus

• prokaryote
• eukaryote
• nucleus
• organelle
• cytoplasm

in cells, this is the fluid or liquid that the organelles float in

• cytoplasm

• prokaryote

• eukaryote

• vacuole

• organelle

small specialized structure that performs important cellular functions within a cell; eukaryotes have many different kinds

• organelle

• cytoplasm

• prokaryote

• lysosome

• vacuole

cell organelle that stores materials such as water, salts, proteins, and carbohydrates

• vacuole
• organelle
• cytoplasm
• cytoskeleton
• lysosome

cell organelle that breaks down lipids, carbohydrates, and proteins into small molecules that can be used by the rest of the cell

• lysosome
• vacuole
• organelle
• centriole
• cytoskeleton