Question

part iii: matching vocabulary
match each of the following terms to the correct definition!
a. adhesion
c. catalyst
e. compound
g. element
b. atom
d. cohesion
f. covalent
h. enzyme
____ 1. any substance that speeds up the rate of a reaction by joining a substrate at the active site.
____ 2. the ability of water molecules to stick to substances other than water.
____ 3. the type of chemical bond that involves a sharing of electrons.
____ 4. the smallest or basic unit of matter.
____ 5. the attraction of water to other water molecules.
____ 6. a substance that consists of one type of atom.
____ 7. a substance that consists of two or more different types of atoms.
____ 8. chemical catalysts found within living organisms.

Explanation:

1. Enzymes are biological catalysts that speed up reactions by binding to substrates at the active site.
2. Adhesion is the property of water molecules to stick to other substances.
3. Covalent bonds involve the sharing of electrons between atoms.
4. An atom is the smallest unit of matter.
5. Cohesion is the attraction between water molecules.
6. An element consists of only one type of atom.
7. A compound is made up of two or more different types of atoms.
8. Enzymes are the catalysts found in living organisms.

Answer:

1. h. Enzyme
2. a. Adhesion
3. f. Covalent
4. b. Atom
5. d. Cohesion
6. g. Element
7. e. Compound
8. h. Enzyme