chapters 1 & 2 Flashcards
carbon compounds (9 cards)
1
Q
why can carbon bond with itself?
A
it has 4 valence electrons (therefore 4 empty spaces in outer shell)
2
Q
what are macromolecules?
A
giant molecules made of several small ones
3
Q
what are polymers?
A
chainlike molecule of monomers bonded together (eg plastic)
4
Q
what are monomers?
A
bond to form chains called polymers
5
Q
describe carbohydrates
A
1:2:1 ratio of C, H, O; form of energy
6
Q
what are monosaccharides?
A
single sugar molecules
7
Q
what are polysaccharides?
A
macromolecules formed from monosaccharides (sugar macromolecule)
8
Q
describe lipids
A
C & H; stored energy also known as fats
9
Q
what are nucleic acids and nucleotides?
A
macromolecules made of several elements that store and transmit genetic code
