what elements are carbohydrates made of?
carbon hydrogen oxygen
what are the subunits of carbohydrates?
what are carbohydrates used for?
to store energy and provide structural support
what elements are lipids made of?
carbon hydrogen and oxygen
what are lipids used for
to store energy and provide barriers
noodles and bagels are examples of what?
honey and fatty acids are examples of what?
what elements are proteins made of?
carbon hydrogen oxygen and nitrogen
what are the sub units of proteins
what are proteins used for?
to transport substances, speed reactions, provide structural support, and make hormones
hemoglobin and keratin are examples of what?
what elements are nucleic acids made of ?
carbon nitrogen oxygen phosphorus and hydrogen
what are the sub units of nucleic acids?
what are nuclecic acids used for?
to store and communicate genetic info
DNA and RNA are examples of what?
O OH H OH OH OH
II I I I I I
C- C- C - C - C - C
I I I I I I
H H OH H H H
H H O
I I II
H - N - C - C - OH
what are the 3 parts of a nucleotide
a phosphate group, sugar, and a base
why is oxygen more versatile than hydrogen?
it can make 2 bonds rather than 1
H+ > OH-
H+ < OH-
what 4 parts combine together to make a triglyceride?
glycerine and 3 fatty acids
how many amino acids combine to form a protein?
100 to 1000
how many amino acids are there
if you see phosphorus in a biomolecule then it is a ...
if you see nitrogen but no phosphorus in a biomolecule then it is a ....
if you see only C, H, and O, in a biomolecule it is a...
carbohydrate or a lipid