California State University, Northridge

BIO 101

Chapter 3

1)Biological polymers are made by bringing together subunits, in a chemical reaction that generates a water molecule as a byproduct. This type of chemical reaction is called               

2. Keratin and silk are examples of                                        , whereas glucose and maltose are examples of     .

3. Mark ALL of the following that are proteins, or rich in protein

4. Where is glycogen stored in vertebrate animals?

5. Match the names with their correct meanings

6. Match the biological polymer with its constituent subunits starch –

DNA –RNA –cellulose – , protein –

7. Match each biomolecule with a location in an organism Saturated fatty triglycerides –, Unsaturated fatty triglycerides  –  , Starch –

Cellulose –, Chitin –, Galactose –

8. Which of the following can serve as an energy source and as structural support in plant cells?

9. What do each of these DNA bases pair with by hydrogen bonding? Match them correctly

Adenine (A) –

Cytosine (C) –Thymine (T) –Guanine (G) –

11. When 1 gram of each of the following is metabolized, which one yields the greatest amount of energy?
12. Which of the following are interactions that are involved in forming a protein structure? (check all that apply)
13. Prions are known to cause:
14. What type of bond maintains the secondary structure of a protein?

15. Maltose is made from:

16. Carbohydrates are constituted by carbon (C), oxygen (O), and hydrogen (H) atoms. How many stable bond(s) can each of them form with other atom(s)?

Carbon –

Hydrogen –

Oxygen –

17. Which of these molecules is a disaccharide?