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Biochemistry Vocab Quiz

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

A solution with a pH above 7. Often cleaning Solutions.

a)

Base

b)

Acid

c)

Neutral

d)

Salt

2.

Adding water to break something down.

a)

Hydrolysis

b)

Condensation

c)

Oxidation

d)

Reduction

3.

A property of water where water molecules bond to another substance like glass.

a)

Adhesion

b)

Cohesion

c)

Evaporation

d)

Condensation

4.

Process of combining smaller molecules into larger ones. Water is removed in the process.

a)

Dehydration synthesis

b)

Hydrolysis

c)

Condensation reaction

d)

Oxidation

5.

Contains BOTH carbon and hydrogen.

a)

ORGANIC

b)

INORGANIC

c)

METALLIC

d)

IONIC

6.

A solution with a pH level below 7. A hydrogen donor. Sour taste.

a)

Acid

b)

Base

c)

Salt

d)

Neutral

7.

A macromolecule that includes fats, oils, and waxes. Contains Carbon, Hydrogen and Oxygen.

a)

LIPID

b)

PROTEIN

c)

CARBOHYDRATE

d)

NUCLEIC ACID

8.

A property of water where water molecules bond with other water molecules.

a)

Adhesion

b)

Surface Tension

c)

Cohesion

d)

Evaporation

9.

A type of saccharide. Contains carbon, hydrogen and oxygen. Carbon to Hydrogen in a 2:1 ratio.

a)

Carbohydrate

b)

Protein

c)

Lipid

d)

Nucleic Acid

10.

Describes a chemical that lacks Carbon and/or Hydrogen.

a)

Inorganic

b)

Organic

c)

Hydrocarbon

d)

Carbohydrate

11.

A macromolecule that contains Carbon, Hydrogen, Oxygen, and Nitrogen. Made of amino acids chained together.

a)

Protein

b)

Carbohydrate

c)

Lipid

d)

Nucleic Acid

12.

This is what happens to an enzyme when exposed to changes in pH or high temperature. Means to change shape.

a)

Denaturation

b)

Hydrolysis

c)

Oxidation

d)

Sublimation

13.

Another name for an enzyme. Means to speed up a chemical reaction.

a)

Catalyst

b)

Inhibitor

c)

Substrate

d)

Reactant

14.

A substance that can keep the pH of a solution constant/prevents changes in how acidic or basic a solution becomes.

a)

Buffer

b)

Catalyst

c)

Solvent

d)

Acid

15.

The building blocks of proteins. 20 different kinds. 9 considered essential to humans.

a)

Amino acids

b)

Carbohydrates

c)

Lipids

d)

Nucleotides

16.

This is considered a weak bond. The bond that connects water molecules to each other.

a)

Covalent bond

b)

Ionic bond

c)

Van der Waals force

d)

Hydrogen bond

17.

Made of protein and speeds up chemical reactions. Known as a catalyst. Very specific shape.

a)

Enzyme

b)

Hormone

c)

Lipid

d)

Carbohydrate

18.

This is a chain of amino acids. Comes together to build a protein.

a)

Polypeptide

b)

Carbohydrate

c)

Lipid

d)

Nucleotide

19.

This is what an enzyme works on.

a)

Substrate

b)

Inhibitor

c)

Product

d)

Catalyst

20.

Another name for a sugar or carbohydrate is ________.

a)

saccharide

b)

lipid

c)

protein

d)

nucleotide