This property of a water molecule allows hydrogen bonds to form among adjacent molecules.
What is polarity?
The rearrangement of electrons to break or form chemical bonds must ALWAYS occur as this proceeds.
What is a chemical reaction?
This type of macromolecule has the function of storing and transmitting hereditary or genetic information.
What is a nucleic acid?
If something has a pH above 7 it is considered to be this.
What is basic?
The gain or loss of one or more electrons changes an atom to this.
What is an ion?
What is an enzyme?
A long chain made of only carbon and hydrogen atoms can only be found in this type of macromolecule.
What is a lipid?
These prevent small amounts of an acid or base from changing the pH of blood.
What is buffers?
These type of bonds, formed by shared electrons between atoms, allow the three atoms in a water molecule to stay together.
What are covalent bonds?
What is protons and electrons?
What is a waterproof covering?
A compound often has very _______________ characteristics than that of the elements which make it up.
What is different?
In this space in the center of the atom, protons and neutrons are found.
What is a nucleus?
Two amino acids unite by forming this type of bond and releasing a molecule of water in the reaction.
What is a peptide bond?
Lipid molecules are ____________ because they repel water molecules, which are polar.
What is nonpolar?
What is starch?
In this, the number of protons equals the number of electrons but there is a different number of neutrons.
What is an isotope?
Amino acids are joined by these two functional groups.
What is an amino group and a carboxyl group?
When looking at the structure of an amino acid, this group determines differences among types of amino acids.
What is the -R group?
Carbonic anhydrase decreases this and changes the reaction between carbon dioxide and water.
What is activation energy?