Angel BPCC- Bio- Assignment 2
Assignment #2 – Biology 101
FALL, 2020
Due October 8, 2020
Define the following biological terms:
fluid mosaic model entropy anaerobic
concentration gradient induced fit model phosphorylation
tonicity feedback inhibition ATP synthase
potential energy denature autotroph
kinetic energy oxidation heterotroph
energy of activation reduction absorption spectrum
active site aerobic photosystem
1. Define diffusion and differentiate between diffusion and osmosis. (1 point)
2. Describe what happens when animal and plant cells are placed in isotonic, hypotonic,
and hypertonic solutions. (1 1/2 points)
3. Differentiate between facilitated transport and active transport. (1/2 point)
4. List the two laws of thermodynamics and tell how they relate to living organisms. (1 point)
5. How is energy stored in a molecule of ATP? (1/2 point)
6. What is the role of enzymes in reactions? How does temperature, pH, and amount of
substrate affect chemical reactions? (2 points)
7. Compare and contrast noncompetitive and competitive inhibition of enzymes. (1 point)
8. What is the function of NAD+ and FAD in cellular respiration? (1/2 point)
9. Briefly describe the four phases of cellular respiration. (2 points)
10. List five important features of glycolysis. (1 point)
11. List the end products of the citric acid cycle. (1 point)
12. When is carbon converted from glucose into carbon dioxide during cellular respiration?
(1 point)
13. What is the importance of the electron transport chain? What is the role of oxygen in
this process? (1 point)
14. What is fermentation and why is it beneficial? (1 point)
15. What is the theoretical yield of ATPs from glycolysis? From the complete breakdown of
glucose in the presence of oxygen? (1 point)
16. What are the major components of the chloroplast and how do they relate to the reactions of
photosynthesis? (1 point)
17. What is the absorption spectrum of chlorophylls a and b, and why is chlorophyll green?
(1 point)
18. What are the end products of the light reactions of photosynthesis? Why are these products
needed? (1 point)
19. What are the three stages of the Calvin cycle? (1 point)
20. What is the end product of photosynthesis? (1 point)
21. Compare and contrast C4 and CAM photosynthesis. (1 point)
