BIOL 212
Supplemental Instruction
Iowa State University / Leader: / Lauren M.
Course: / BIOL 212
Instructor: / Kukday
Date: / Sep 14, 2016

WORDS TO REMEMBER

Enzymes / Feedback Inhibition / Gene regulation
Activators / Competitive / Cellular regulation
Inhibitors / Noncompetitive / Biochemical regulation
Metabolic pathway / ATP / Glycolysis
Aerobic Respiration / Anaerobic Respiration / Fermentation

REVIEW:

Label this image with Reactants, Products, Transition state, activation energy, and determine which line used a catalyst. Is this exergonic or endergonic?

1.  Fill in the blanks

2.  Match the term with its definition:

Gene Regulation Signals received by cell travel to protein

Cellular Regulation Turn on genes that make proteins on or off

Biochemical Regulation Product of pathway inhibits early steps to prevent over accumulation of product

3.  Which one is aerobic respiration and which one is anaerobic?

Requires oxygen
Goes through Kreb’s cycle
Enters electron transport chain / Does not require oxygen
Goes through Fermentation
Produces lactic acid or alcohol

4.  Glycolysis is the process of turning glucose into two ______using the help from ______and ______.

5.  Glycolysis happens in the ______of the cell.

(https://www.youtube.com/watch?v=3GTjQTqUuOw )

6.  After glycolysis, the next step is:

  1. Electron transport chain
  2. Anaerobic respiration
  3. Krebs cycle
  4. Pyruvate processing

7.  The last step of cellular respiration is:

  1. Electron transport chain
  2. Krebs cycle
  3. Pyruvate processing
  4. Glycolysis

8.  Which two are coenzymes?

  1. NAD and FAD
  2. ATP and NAD
  3. ATP and ADP
  4. ATP and FAD

9.  Which of the following is NOT true about fermentation?

  1. Recycles NADH
  2. Occurs in the cytoplasm
  3. Ends in alcoholic fermentation in yeast cells
  4. Ends in alcoholic fermentation in animal cells.

10. Which molecule is most important for energy production?

  1. Pyruvate
  2. Acetyl CoA
  3. Lactate
  4. ATP

11. As glucose gets oxidized…

  1. It constantly loses free-energy
  2. It constantly gains free-energy
  3. There is no energy associated with glucose oxidation
  4. All of the above

SOME CAN YOU QUESTIONS FROM PATRICKS CASE:

Identify types of enzyme regulation (feedback inhibition).

Compare aerobic and anaerobic respiration pathways with respect to differences in products and energy intermediates produced.