Study Guide Quiz 1

1. What is the smallest unit of life?

2. To which kingdom do single celled organisms with considerable internal complexity belong?

3. What is the difference between prokaryotes and eukaryotes?

4. List the four steps in the scientific method.

5. Formulate a hypothesis for determining the beneficial effect of a nutritional substance.

6. Define dependent and independent variable.

7. List three criteria for judging the reliability of a scientific report.

8. List the four major groups of macromolecules and their basic structural units.

9. What is the principal function of carbohydrates?

10. Name three cellular structures.

11. Determine the composition of the following "unknown" substance that produced the results below with the listed reagents:

12. List the five kingdoms of life.

13. What effect does boiling temperatures have on the rate of enzymatic reactions?

14. How many calories in an ounce of butter (assuming 30 grams/oz)?

15. What two things could you measure to determine the rate of an enzymatic reaction?

16. What effect does the addition of antacid have on the pH of vinegar?

17. How does an acid pH affect the reaction rate of amylase?

18. Is amylase a protein?