A ____ has a negative charge and is located in the nucleus
neutron
A ______ has a positive charge and is located in the nucleus
proton
A ______ has a negative charge and is located in the energy levels surrounding the nucleus
electron
These have atoms of the same element with different amt of neutrons
Isotope
Chemically combined elements
Compounds
A ___ bond is when two elements share electrons
Covalent
A _____ molecule is the unequal sharing of electrons
Polar
A(n) ____ bond is when opposite ions attract
Ionic
A _____ reaction occurs when bonds break
Chemical
monosaccharides are made up of simple _____
Sugars
Cholesterol is made in the _____
Liver
______ bonds link amino acids to make proteins
Peptide
_____ breaks apart two molecules
Hydrolysis
Dehydration _____ puts two molecules together
Synthesis
2 nucleotide chains is called a double ____
Helix
What is a group of proteins that catalyze a reaction and reduce the energy needed for a reaction called?
Enzymes