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Unit 1B - Chemistry of Life Guiding Questions

1. Using the following terms list them in order of organization from smallest to largest:

atoms, compounds, subatomic particles, elements, molecules.

2. Explain how a covalent bond is different from an ionic bond.

3. Which type of bond are you likely to find in an organic compound?

4. Name the 6 elements that make up 98% of a living organism.

5. Which two of these elements MUST be present in a substance for it to be considered organic?

6. Define the terms monomer and polymer.

7. Identify the four (4) macromolecules that are found in living organisms and identify the monomers of which each one is made.

8. Which elements are found in each macromolecule?

9. Explain the function of each macromolecule.

10. Explain the Law of Conservation of Matter and Energy.

11. What are the stages of the water cycle?

12. In which of these stages is liquid water converted to water vapor and raised into the atmosphere?

13. What is transpiration and from which structure in the plant does the water come?

14. When are stomata closed? Opened? What exchanges through the stomata?

15. In which stage is water vapor condensed into water droplets?

16. Name 4 forms of precipitation.

17. What energy drives the water cycle?

18. Why can’t we use the N2 gas that is in the atmosphere?

19. Into what usable substance is this gas converted?

What organism carries out this conversion?

What is this process called?

20. How are the nitrites and nitrates converted back into N2 gas?

21. Identify and describe the stages of the Carbon cycle?

22. Which of these stages is responsible for taking CO2 out of the atmosphere?

23. What is Photosynthesis? Write the chemical equation for photosynthesis.

24. Name the factors that affect the rate of photosynthesis. What affect do they have?

25. Identify the reactants of photosynthesis and explain where they come from.

26. In which organelle does...