1. Is cellular respiration and photosynthesis an endergonic or exergonic reaction?
______________________________________________
2. What is the role of oxygen in cell respiration? Hint- Name the final electron acceptor
for aerobic respiration.
3. Name the three parts of the ATP molecule.
of RNA
4. How do enzymes act in cellular metabolism ?
5. Define these terms.
Enzyme: ________________________________
Substrate: _______________________________
Active site: _____________________________
Reactants: _____________________________
Products: _______________________________
6. What is the nature of enzymes ? Hint- Are they proteins, lipids or carbohydrates ?
7. What does selective permeability mean and why is that important to cells?
8. What types of molecules pass through membranes easily?
9. What are isotonic/hypotonic/hypertonic conditions for a cell? What is the ideal osmotic
environment for animal/plant cells and a bacteria ?
10. Compare active and passive transport.
11. Compare cofactor versus coenzymes. Give example of both.
12. Define these terms: Symbiosis, mutualism, commensalism, parasitism, autotrophs and
heterotrophs. (This is new stuff- Please surf internet !)
13. Define the terms OXIDATION AND REDUCTION.
Indicate whether the compounds listed below are in their OXIDIZED or REDUCED forms.
a. NAD+ c. NADH
b. FADH2 d. FAD
14. Indicate whether the following questions refer to:
Glycolysis
Citric Acid Cycle