8/19 Biomolecules-Cell Membrane 24-25

Multiple Choice

Most of the cell membrane is made of which macromolecule...

• Nucleic acids

• Proteins

• Lipids

• Carbohydrates

Hotspot

Carbohydrates are represented by which letter in the cell membrane?

Multiple Choice

How are the functions of a carbohydrate and a lipid similar?

• Both are a source of energy.

• Both are replicated during meiosis.

• Both lower the activation energy of reactions.

• Both dissolve nutrients in the digestive system.

Multiple Choice

What type of macromolecule is this?

• Nucleic acid
• Protein
• Carbohydrate
• Lipid

Multiple Choice

What elements are common to all 4 biomolecules?

• Carbon, hydrogen, nitrogen
• Carbon, Nitrogen, Phosphorus
• Carbon, Hydrogen, Oxygen
• Carbon, Hydrogen, Phosphorus

Multiple Choice

 

What macromolecule forms the channels and pumps in the phospholipid bilayer?

• proteins

• hydrophilic heads

• lipids

• carbohydrates

Fill in the Blanks

Multiple Choice

A __________ consists of many monomers bonded together.

• monomer

• hydrocarbon

• peptide

• polymer

Match

Match the following

• Forms channels and pumps

• Makes up the bilayer of the cell membrane.

• Stores genetic information. inside the cell

• Helps identify cell membrane

Protein

Lipid

Nucleic Acid

Carbohydrates

• Protein

• Lipid

• Nucleic Acid

• Carbohydrates