Bio 106-03 Exam 2
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Give the products of glycolysis.
- 2 ATP (SLP)
- 2 NADH
- 2 pyruvuc acid
- *Doesn't require O2
Give the important intermediates found in glycolysis.
- Dihydroxyacetone phosphate (DHAP)
- Glyceraldehyde-3-phosphate (GP)
Know the amounts of ATP, NADH, and FADH2 made during each stage, and the entire process, of aerobic respiration.
- Glycolysis (2 ATP, 2 NADH, 2 pyruvic acid)
- Preparatory Step (2 NADH, 2 acetyl CoA)
- Krebs Cycle (2 ATP, 6 NADH, 2 FADH2)Chemiosmosis (34 ATP, H2O, NAD+, FAD+
Know which stages and processes of aerobic respiration require oxygen.
- Glycolysis = doesn't require oxygen
- Preparatory step = doesn't require oxygen
- Krebs cycle = doesn't require oxygen
- Chemiosmosis = NEEDS OXYGEN
Describe the preparatory step (transition reaction); give the reactants and products.
- Purpose: 2 pyruvic acid (from Glycolysis) can't enter the Krebs Cycle directly
- 2 pyruvic acids are oxidized to 2 acetyl CoA
- 2 NAD+ are reduced to 2 NADH
Explain the Krebs cycle; give the products and know which products are the most important to
microbes for energy production.
- Oxidation of acetyl CoA (from Prep Step) to CO2
- Products = 2 ATP, 6 NADH, 2 FADH2Products most important to microbes for energy production= 6 NADH and 2 FADH2
Explain electron transport systems and know where they are located in prokaryotic cells.
- Sequence of e- carrier proteins capable of redox, e- pass through chain = release energy, energy is used to drive chemiosmosis (synthesis of ATP)
- *NADH and FADH2 are oxidized = large amounts of ATP
- LOCATION : PLASMA MEMBRANE
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