Biological Molecules

Which of the following molecules would be studied in an organic chemistry course?

 $\cdot$  

• Methane -  $CH_4$  

• Glucose-  $C_6H_{12}O_6$  

• Carbon dioxide-  $CO_2$  

• All of the above

Carbon atoms bond ____ times with other elements. This is due to the number of _____ in their outermost energy level.

• 2; electrons

• 4; electrons

• 2; protons

• 4; protons

All living things contain atoms of this element:

• Potassium

• Aluminum

• Carbon

• Nickel

A researcher is looking to develop wetsuits that contain additional warmth. He should consider molecules from the ______ family when designing prototypes.

• Lipid

• Carbohydrate

• Nucleic acid

• Protein

Human skin, hair, and nails contain large amounts of these structural polymers:

• Lipids

• Carbohydrates

• Nucleic acids

• Proteins

Identify the type of biological molecule in the diagram above:

• Protein

• Carbohydrate

• Nucleic acid

• Lipid

The monomers of all carbohydrates:

• Simple sugars

• Fatty acids

• Phospholipids

• Cellulose

Enzymes are an example of which of the following important biomolecules?

• Proteins

• Lipids

• Carbohydrates

• Nucleic acids

This carbohydrate is found in the exoskeletons of insects:

• Lactose

• Cellulose

• Glycogen

• Chitin

The molecules shown in the diagram belong to what family of molecules?

• Proteins

• Lipids

• Carbohydrates

• Nucleic acids