Copyright

Introduction to Molecular Biology Chapter Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

Page 1

Question 1 1. Which type of biological molecules can store energy, provide structure and act as enzymes during cellular reactions?

Answers:

Question 2 2. Peptide bonds link _____ to form proteins.

Answers:

Question 3 3. Which type of bonds are formed between the carboxylic acid carbon of one amino acid, and the amino nitrogen of the next?

Answers:

Question 4 4. How many peptide bonds would you find in a chain of 5 amino acids?

Answers:

Question 5 5. What is the main difference between saturated and unsaturated fats?

Answers:

Page 2

Question 6 6. Which type of lipids are made of glycerol and fatty acids?

Answers:

Question 7 7. Which of the following is an example of a monosaccharide?

Answers:

Question 8 8. Which type of molecule is found in sugars, starches and fiber?

Answers:

Question 9 9. The building blocks of proteins have two functional groups known as carboxylic acid and amine. What is the name of these blocks?

Answers:

Question 10 10. Dietary fiber is also known as _____, and it is an important structural material in plants.

Answers:

Page 3

Question 11 11. Which of the following statements correctly describes the behavior of the sickle cell hemoglobin?

Answers:

Question 12 12. Which of the following is true about the differences between DNA and RNA?

Answers:

Question 13 13. Which of the following forms the backbone of a DNA molecule?

Answers:

Question 14 14. Which of these statements isn't true?

Answers:

Question 15 15. What are the monomer units in protein polymers?

Answers:

Page 4

Question 16 16. When a protein makes it easier for a biological reaction to happen, it is acting as _____.

Answers:

Question 17 17. Lawrence wants to eat food that is high in energy before he starts training for his tennis competition. Which of the following types of food will give him the most energy per pound?

Answers:

Question 18 18. What is meant by the term hydrophillic?

Answers:

Question 19 19. Which of the following bases are categorized as purines?

Answers:

Question 20 20. Which amino acid is involved in formation of disulfide bonds?

Answers:

Page 5

Question 21 21. What is the shorthand for a carbon-containing substance in organic chemistry?

Answers:

Question 22 22. What type of reaction causes the formation of sugar molecules larger than monosaccharides?

Answers:

Question 23 23. A two unit molecule is a

Answers:

Question 24 24. Identify the secondary structure that is NOT held together by hydrogen bonds.

Answers:

Question 25 25. Which one of the following best describes the function of RNA in making proteins?

Answers:

Page 6

Question 26 26. How many basic types of nucleic acids exist?

Answers:

Question 27 27. Which of the following statements is true?

Answers:

Question 28 28. What does N-terminus refer to?

Answers:

Question 29 29. Proteins are biological molecules made of _____.

Answers:

Question 30 30. What is the functional group that is formed when glycerol reacts with carboxylic acids to form triglycerides?

Answers:

Introduction to Molecular Biology Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

Science Courses / Course / Chapter
Support