The diagram shows the general structure of an amino acid. Which type of molecule is formed from amino acids?
lipids
proteins
carbohydrates
nucleic acids
2. Multiple Choice
30 seconds
1 pt
You are analyzing a compound in the laboratory. You find that it is made up of carbon, hydrogen, and oxygen in a ratio of two hydrogen atoms for each carbon atom. How will you classify the compound?
lipid
protein
carbohydrate
nucleic acid
3. Multiple Choice
30 seconds
1 pt
Fats, oils and cholesterol are all types of what?
cell membranes
hormones hormones
lipids
fatty acids
4. Multiple Choice
30 seconds
2 pts
RNA and DNA are which type of macromolecules?
carbohydrate
lipid
nucleic acid
protein
5. Multiple Choice
30 seconds
1 pt
Like complex carbohydrates, proteins are macromolecules that serve many functions and can be chemically broken down and restructured. Both proteins and complex carbohydrates are which of the following?
polymers of smaller subunits
sequence of sugars
lipids of large molecules
nucleotides of DNA
6. Multiple Choice
30 seconds
1 pt
The human body maintains a temperature of around 98.6 degrees at all times. Enzymes are involved in almost every chemical reaction in the body. Which of the following describes the connection between these two statements?
Enzymes function best at a specific temperature.
The body needs to be warm to prevent hypothermia.
The body is kept relatively warm to prevent too much enzyme action.
There is no connection between the two statements.
7. Multiple Choice
1 minute
1 pt
Nucleotides are monomers of
Carbohydrates
Lipids
Proteins
Nucleic Acids
8. Multiple Choice
1 minute
1 pt
Monosaccharides are monomers of
Carbohydrates
Lipids
Proteins
Nucleic Acids
9. Multiple Choice
1 minute
1 pt
Glycerol and fatty acids are the monomers of
Carbohydrates
Lipids
Proteins
Nucleic Acids
10. Multiple Choice
1 minute
1 pt
The organic compounds that have many structural purposes and are used in many processes within the cell are called ____________________.