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10 Cards in this Set

  • Front
  • Back
______ speed chemical reactions in cells.
enzymes
The primary structure of a protein is the sequence of __________ __________, the secondary structure is very often a __________;the tertiary structure is the final __________ __________ _________ of the protein.
amino acids
helix
three dimensional shape
__________ are the smallest units of matter nondivisible by chemical means.
atoms
Genes are composed of __________, a nucleic acid made up of __________ joined together.
DNA
nucleotides
Isotopes differ by the number of __________ in nucleus.
neutrons
The two primary types of reactions and bonds are __________ and __________.
ionic and covalent
A type of weak bond, called a __________, exists between water and molecules.
hydrogen
Acidic solutions contain more ________ ions than basic solutions, but they have a __________ pH.
hydrogen
lower
Glycogen is a polymer of ________ molecules that serve to give the body immediate ________.
glucose
energy
A fat hydrolyzes to give one _______ molecule and three _______ _______ molecules.
glycerol
fatty acids