TExES Science 7-12: Biomolecules 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!

Page 1

Question 1 1. Water helps moderate your body temperature because _____.

Question 2 2. Water's polarity makes it a good molecule for _____.

Question 3 3. Coastal areas tend to have moderate temperatures throughout the year because of water's _____.

Question 4 4. Water is unique because as a solid it is _____.

Question 5 5. The chemical formula for water indicates that there are _____.

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Question 6 6. What role does carbon play in the body?

Question 7 7. About how many years does it take for your body to replace all of its molecules?

Question 8 8. What are trace elements?

Question 9 9. Why is oxygen important?

Question 10 10. About how much of your body weight is made up of macrominerals?

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Question 11 11. Which of the following describes a Decomposition Reaction?

Question 12 12. If reactants can interact to form products, but the products can also react to form the reactants, which biochemical reaction took place?

Question 13 13. Which of the following describes a biochemical reaction?

Question 14 14. When glycogen molecules break down to release glucose units, which biochemical reaction took place?

Question 15 15. When amino acids combine to form a protein molecule, which biochemical reaction took place?

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Question 16 16. What is carbon?

Question 17 17. Why is life on Earth said to be 'carbon-based'?

Question 18 18. Which of the following is NOT a type of molecule that is based primarily on carbon?

Question 19 19. All of the following are made of elemental carbon arranged in different shapes EXCEPT _____.

Question 20 20. Which of the following is NOT a biological process that involves carbon?

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Question 21 21. The way an enzyme is folded helps determine its function (or lack thereof). What is an enzyme?

Question 22 22.

Which of the following is MOST likely to cause an enzyme to lose its shape and thus function?

I. High acidity

II. High heat

III. A receptor

Question 23 23. Epinephrine is a hormone with the right shape to fit a _____ and thus causes our heart to beat faster.

Question 24 24. Hormones must fit their _____ like a key to a lock in order to function properly.

Question 25 25. An antibody must have the right shape to latch onto _____. Choose the BEST option.

TExES Science 7-12: Biomolecules 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!

TExES Science 7-12 (236): Practice & Study Guide  /  Science Courses
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