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Holt McDougal Modern Biology Chapter 3: Biochemistry 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 yellow "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!

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Question 1 1. Penelope is getting ready for her daily run. She laces up her jogging shoes and heads out the door. What type of energy creation does she need in the first few minutes of exercise?

Question 2 2. Which of the following is a function performed by proteins?

Question 3 3. Which of the following is NOT one of the elements found in all four macromolecules (proteins, nucleic acids, carbohydrates, and lipids)?

Question 4 4. Why does soap remove grease from pans when we wash dishes?

Question 5 5. When a protein makes it easier for a biological reaction to happen, it is acting as _____.

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Question 6 6. Which of the following is true about organic molecules?

Question 7 7. Which macromolecule would likely contain nitrogen?

Question 8 8. What holds high density polyethylene together?

Question 9 9. All of the following statements are true about lipids, EXCEPT that _____.

Question 10 10.

A single sugar is called a 'monosaccharide.'

'_____saccharide' refers to a three sugar polymer.

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Question 11 11. What atoms are connected by a peptide bond?

Question 12 12. The _____ has an oxygen atom single-bonded to hydrogen and single-bonded to a carbon-containing group.

Question 13 13. What is the role of an enzyme?

Question 14 14. What type of reaction causes the formation of sugar molecules larger than monosaccharides?

Question 15 15. Lactose is composed of a glucose molecule and a galactose molecule, therefore, lactose is classified as a _____.

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Question 16 16. All of the following statements are true, EXCEPT _____.

Question 17 17. Which macromolecule would likely contain selenium?

Question 18 18. Cellulose & proteins are types of

Question 19 19. Which of the following is true about enzymes?

Question 20 20. Which of the following is TRUE about aerobic metabolism?

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Question 21 21. The location of substrate binding is called the

Question 22 22. A long chain molecule formed by many smaller units is called a

Question 23 23. Which of the following roles do lipids NOT play in our bodies?

Question 24 24. One of the drawbacks of anaerobic metabolism is that it produces a substance that can interfere with muscle contractions and produce muscle pain. What is this substance called?

Question 25 25. What is induced fit?

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Question 26 26. Which is NOT one of the four main classes of biomolecules?

Question 27 27. Proteins in our skin, hair, and nails are called what?

Question 28 28. _____ hold fats together in biological systems and bond fatty acids to glycerol.

Question 29 29. What is the shorthand for a carbon-containing substance in organic chemistry?

Question 30 30. Proteins are biological molecules made of _____.

Holt McDougal Modern Biology Chapter 3: Biochemistry 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 yellow "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!

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