ECA review terms and concepts Flashcards
1
Q
monomer
A
small chemical unit that makes up a polymer
2
Q
polymer
A
molecules composed of many monomers; makes up macromolecules
3
Q
atom
A
the basic unit of matter
4
Q
molecule
A
smallest unit of most compounds that displays all the properties of that compound
5
Q
plasma membrane
A
a microscopic membrane of lipids and proteins that forms the external boundary of the cytoplasm of a cell or encloses a vacuole, and that regulates the passage of molecules in and out of the cytoplasm
6
Q
ribosome
A
cell organelle consisting of RNA and protein found throughout the cytoplasm in a cell; the site of protein synthesis
7
Q
CHNOPS?
A
Carbon, hydrogen, nitrogen, oxygen, phosphorus, and sulfate are the 6 main elements found in living things.
