SC 135 - Fourth Exam 2009
On the line to the left, place the letter of the choice that best answers the question.
_______ a. Plant cells when there's no light b. Muscle cells that need more oxygen than they can get c. Lung cells, in order to move oxygen
2. Most of the ATP output of aerobic respiration happens in
_______ a. The electron transport chain b. Glycolysis c. Krebs cycle d. Cellulysis e. A little ATP machine
3. The "Snowball Period" changed life on Earth by
_______ a. Bringing in water b. Concentrating primordial soup c. Increasing competition d. Stopping chemosynthesis
4. Modern versions of Darwin's evolution theories see changes over time in
_______ a. Species features b. Individual fitness c. Kingdoms d. Gene pools e. The level of craziness in the "counter" theories
5. Vitamins are a type of
_______ a. Mineral b. Cofactor c. Coenzyme d. Carbohydrate e. Health scam
6. The Laws of Thermodynamics apply to
_______ a. Nutritional content of food b. Movement of energy in a food chain c. Enzyme efficiency d. Photosynthesis in low light
7. During the Cambrian Explosion,
_______ a. All major animal groups appear in the fossils b. 95% of all species at that time went extinct
8. The famous "plant problem" involves
_______ a. Food chains b. Environmental toxins c. Beginnings of Life d. The nature of sunlight
9. What's the proper order?
_______ a. Aerobic respiration, photosynthesis, prokaryotes, eukaryotes b. Prokaryotes, photosynthesis, aerobic respiration, eukaryotes
10. In chemosynthesis, the environmental energy type is usually
_______ a. Light b. Lightning c. Ultraviolet d. Heat e. Red Bull
11. Reradiation happens in materials when
_______ a. Electrons jump outward b. Electrons jump inward c. They break down d. They combine chemically
12. Which works by lowering activation energy?
_______ a. Photosynthesis b. Respiration c. Enzymes d. Entropy e. I'm just lowering expectations for my mark...
Answer any eight of the following questions for 4 Points Each.
Answer any four of the following questions for Eight Points Each.
Answer as many as you are able. Wrong answers will not result in points being lost from the main exam. You can get partial credit on these answers.
Irreversible enzyme inhibition is often produced by what sorts of secretions? Three Points.
How does the sweetener Splenda relate to the term specificity? Three Points.
When geologists dove to investigate hydrothermal vents, what discovery there took them totally by surprise? Three Points.
What sorts of atoms (which element) are critical in moving electrons around? Three Points.
What color flowers can a typical bee not pick out from the background? Three Points
What was the first indication that there had been a Snowball Period? Three Points.