Chemistry
has mass and takes up space
Matter
elements in a carbohydrate
C, H, O
common name of lipids
fats
building block of proteins
amino acid
What does DNA stand for
Deoxyribonucleic acid
group of atoms with same number of protons
Element
carbohydrate with 3-10 carbon atoms
monosaccharide
lipid with no double bonds between carbons
saturated
something that speeds up a reaction
catalyst
change in appearance
physical change
How many atoms does a molecule of water have?
3
two monosaccharides =
disaccharide
lipid with at least one double bond between carbon atoms
unsaturated
special type of protein that acts as a catalyst
change in molecules or molecular structure
chemical change
What are the 3 phases?
solid, liquid, gas
process that breaks down polysaccharides by adding water
hydrolysis
2 building blocks of lipids
fatty acids and glycerol
Element that proteins have, but lipids and carbs don't
Nitrogen
3 parts of DNA
sugar, phosphate group and nucleotide base
Carbon has 6 protons. How many neutrons does C-14 have?
8
Ratio of H:O in a carbohydrate
2:1
process that produces lipids by removing water
dehydration
Name one thing that determines the properties of a protein
type, number and order of amino acids
holds the two helixes together
hydrogen bonds