Biological Molecules of the Cells.

How are carbohydrates and lipids similar?

• both contain C, H, O, N, P and store energy

• both contain C, H, O, N and give energy

• both contain C, H, O, N, S and store energy

• both contain C, H, O and give energy

Match the protein with the correct picture.

• 
• 
• 
• 

What is the key role (function) of a protein?

• instant energy for the cell/body

• hormones, buoyancy, forms cell membranes, insulation, energy storage

• growth, repair, and energy, immune system, enzymes

• store and transmit genetic information/heredity

Identify the lipid:

• 
• 
• 
• 

Identify the nucleic acid:

• 
• 
• 
• 

Identify the key role of nucleic acids:

• instant energy

• hormones, buoyancy, formation of cell membranes, insulation, energy storage

• transport hemoglobin, immunity, chemical reactions, regulation of proteins, tissue structure

• store and transmit heredity, genetic information

Carbohydrates contain carbon (C), hydrogen (H), and oxygen (O). What is the ratio of these elements?

• 2:1:2

• 1:3:1

• 1:2:1

• 3:1:3

A monomer is ...

• a single atom

• a building block for polymers

• a single element

• an inorganic molecule

What are the functions of lipids?

• Quick source of energy

• Builds muscles & skin, enzymes, hormones

• Stores genetic information

• Stores energy, insulation, plasma membrane

What biomolecule do enzymes belong to?

• Carbohydrate

• Lipid

• Nucleic Acid

• Protein