Biochemistry Quiz 10 (20 MCQs)

Quiz Instructions

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1. The difference between one amino acid and another is found in the

Correct Answer: C) R-group.

2. What are the four molecules of life?

Correct Answer: A) Carbohydrates, lipids, proteins, nucleic acids.

3. Two monosaccharides combine to make a .....

Correct Answer: A) Disaccharide.

4. All organisms contain DNA and RNA. What are the subunits of DNA and RNA?

Correct Answer: D) Nucleotides.

5. Photosynthesis creates .....

Correct Answer: A) Sugars.

6. Steroids are a type of .....

Correct Answer: B) Lipid.

7. An example of lipids is .....

Correct Answer: C) Oils.

8. Which of the following would test positive with Benedict's Reagent?

Correct Answer: C) Glucose-monosaccharide.

9. What are lipids mostly made of?

Correct Answer: B) Glycerol and Fatty Acids.

10. What is the Definition of Biochemistry?

Correct Answer: A) Study of Chemistry in Living Organisms.

11. Which statement describes the polarity of a water molecule?

Correct Answer: B) The oxygen end has a slight negative charge and the hydrogen end has a slight positive charge.

12. This group functions in padding and insulation in animals

Correct Answer: C) Lipids.

13. A large molecule made up of many similar or identical subunits.

Correct Answer: C) Polymer.

14. The ..... is the negatively charged particle in an atom.

Correct Answer: C) Electron.

15. Which of the following best characterizes the reaction A + B + energy $\rightarrow$ AB

Correct Answer: B) Endergonic.

16. The apparatus in the experiment was used to mimic what?

Correct Answer: C) Early Earth's conditions.

17. Nucleic acids bond together via a ..... bond

Correct Answer: A) Phosphodiester.

18. Used as energy storage

Correct Answer: C) Starches.

19. This carbohydrate is used by animals to store energy in the liver.

Correct Answer: B) Glycogen.

20. A building block is .....

Correct Answer: B) Monomer.