Which type of molecule includes an example with a long-chain carbon backbone? 3. In the molecule referred to in the previous question, what is the dominant element attached to

the carbon backbone?

5. Which molecule has a central carbon atom with four different components around it?

6. Which molecule has a sugar, nitrogenous base, and phosphate group?

7. What are some similarities among all four types of molecules. List as

many as you can.

8. What is the chemical formula of the first carbohydrate molecule shown?

9. What three structural groups shown do all amino acids have in common?