Bio Vocab Ch 3

cell that does not have a nucleus or membrane-bound organelles

• prokaryotic

• hypertonic

• eukaryotic

• hypotonic

cell that has a nucleus and membrane-bound organelles

• prokaryotic

• hypertonic

• eukaryotic

• hypotonic

the condition of allowing some, but not all, materials to cross a barrier or membrane

• hypertonic

• hypotonic

• selective permeability

• phagocytosis

when a solution has a higher concentration of particles than another solution

• hypotonic

• hypertonic

• eukaryotic

• prokaryotic

when a solution has a lower concentration of particles than another solution

• hypotonic

• hypertonic

• eukaryotic

• prokaryotic

movement of particles from an area of higher concentration to an area of lower concentration

the diffusion of water molecules across a membrane

when a cell uses its membrane to surround a solid particle for ingestion

a small molecule that is a subunit of a polymer; a chain of them forms a polymer

catalyst for chemical reactions in living things; they speed up reactions; most are proteins