Photosynthesis and Respiration + DNA structure/replication and Mitosis

1. What are the products of Respiration? What are the reactants of photosynthesis?

2.Wood is a complex carbohydrate called cellulose. What product is produced by both burning wood and by chemical respiration of carbohydrates?

3. Write out the equation for photosynthesis:

4. What happened to the water when you added phenol red?

5. What happened to the water solution in question 4 when you breathed into it? What caused this change?

6.When Elodea stems were inserted into the tube of solution from question 5 what happened to that solution over time? What caused the change?

7. You added Sodium Azide (actually, your TA did) in order to do what?

8. What natural gas contributes to the process of global warming and how is it related to photosynthesis and cell respiration?

9. A respirometer experiment testing the ability of yeast cells to utilize various fuels for respiration yielded the following information:

Based only on the above table, what is the optimum fuel for yeast?

10. According to the answers published on our web site what was the order of effectiveness of the respiratory fuels used to produce respiration in yeast?

11.List four substances necessary for a plant to grow.

12. Differentiate between the types of respiration with regard to the following:

a. The end product of anaerobic respiration in humans
b. The end product of anaerobic respiration in yeast cells.
c. The relative amounts of ATP generated by anaerobic versus aerobic respiration.

13. What are the 2 most abundant "greenhouse gasses" and which one is most abundant?

14. Where do the 2 members of an "homologous pair" of chromosomes come from?

15. Which of the following items will you NOT use for the DNA/mitosis lab?

Beads, scissors and colored paper, puzzles, crayons, yarn, dice

16. When looking for cancerous cells, what are "mitotic figures"?

17. Look at the figures on p. 86 of your manual. What are the names of the 4 bases that form the "sequence" of DNA?