Biochemistry Pre-test

Which of the following binds to the active site of an enzyme? 

• substrate
• product
• codon

Which letter represents the negative end?

• C
• D

In the picture, which represents a fatty acid?

• F
• G
• H
• J

Tags

NGSS.HS-LS1-6

Which of these statements describes how monomers combine and create macromolecules?

• Amino acids combine to make proteins.
• Glucose molecules combine to make nucleic acids.
• Nucleic acids combine to make starch.
• Proteins combine to make glucose.

Tags

NGSS.HS-LS1-6

What is the pH level of an acid?

• 7.1-14
• 14-21
• 0-6.9
• 7

A solution that keeps pH from changing.

• glucose
• carbohydrate
• monomer
• Buffer

Why does ice float?

• As water freezes, it expands and its density decreases.
• As water freezes, it takes up more hydrogen from the atmosphere, causing it to have a greater buoyancy.
• As water freezes, air becomes trapped between the hydrogen bonds of water molecules.
• As water freezes, it takes up more oxygen from the atmosphere, causing it to have a greater buoyancy.

Identify the biomolecule

• Lipid
• Protein
• Carbohydrate
• Nucleic Acid

How many protons are found in a sodium (Na) atom?

• 11

• 23

• 12

Tags

NGSS.MS-PS1-1

How many neutrons are found in an oxygen (O) atom?

• 8

• 15

• 16

• 24

Tags

NGSS.HS-PS1-8