Myoglobin has a single chain, whereas hemoglobin is a ____. |
active site |
A cofactor binds to an apoenzyme to form an active ____. |
cofactor |
Proteins are linear chains of amino acids joined by ____ bonds. |
cysteine |
Each of the four subunits of hemoglobin contain one ____ ion. |
holoenzyme |
The substrate binds to the ____ of an enzyme. |
iron |
A ____ is a non-protein molecule required for enzyme activity. |
peptide |
Temperature and ____ are factors that affect enzyme activity. |
pH |
In some proteins, ____ residues are joined by disulfide bonds. |
tetramer |