Enzymes
Match the following.
1. cofactor 2. substrate 3. active site
In the figure illustrating the typical enzyme reaction, which is a substrate reactant?
A or B
An organism can live without enzymes.
False
If the reactants found in a cell are removed from the cell how will they behave chemically?
They may not be able to react
An enzyme may react with several substrate chemicals simultaneously.
True
Numerous different enzymes are produced by the cells.
True
An enzyme is:
a biological catalyst
Enzymes:
are produced at the direction and translation of DNA and RNA respectively
A substance which accelerates any chemical reaction but is not consumed by the reaction is called a _____.
catalyst
Often enzymes require a _____ in order for them to function as a catalyst.
cofactor
An enzyme is a large _____ molecule.
protein
The substance on which the enzyme acts is called the _____ chemical.
substrate
Why are enzymes necessary?
to act as a catalyst in chemical reactions.
(Select all that apply.) Choose enzyme cofactors mentioned in the lesson.
vitamins iron copper cobalt zinc calcium