DOC PREVIEW
UB BIO 201 - Fermentation, Pyruvate Oxidation, and The TCA Cycle

This preview shows page 1 out of 2 pages.

Save
View full document
View full document
Premium Document
Do you want full access? Go Premium and unlock all 2 pages.
Access to all documents
Download any document
Ad free experience
Premium Document
Do you want full access? Go Premium and unlock all 2 pages.
Access to all documents
Download any document
Ad free experience

Unformatted text preview:

Bio 201 1st Edition Lecture 21 Outline of Last Lecture I. LifeII. MetabolismA. PhotosynthesisB. OxidationC. Redox CouplingIII. GlycolysisA. Reaction 1Outline of Current LectureI. FermentationA. AlcoholicB. Lactic AcidC. Anaerobic Metabolism SummaryII. Aerobic MetabolismA. The 4 PathwaysCurrent LectureI. Fermentation- Replenish’s NAD+A. Alcoholic Fermentation- Produces CO2 and ethanol. Used in beer, wine, and bread rising. Release of CO2 causes bread to rise and beer to become carbonated. The ADP ethanol reduction reaction couples to the NADH NAD+ oxidation reaction.These notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.B. Lactic Acid Fermentation- Glucose pyruvate, pyruvate reduces to lactate, coupled to NADHNAD+. This is not always good, lactic acid build-up can be harmful, the liver can turn lactic acid into glucose in aerobe organisms. C. Anaerobic Metabolism- Glycolysis- Oxidation of glucose to pyruvate, nets 2ATP and 2NADH. Fermentation- NAD+ is replenished for anaerobic metabolism, produces either ethanol and CO2 or lactic acid. II. Aerobic Metabolism- Evolved when O2 levels increased in the atmosphere. Complete oxidation to CO2. Advantages: more energy from oxidation of pyruvate, harness energy stored in NADH and FADH2 to make ATP. A. The 4 Pathways:1. Pyruvate Decarboxylation- Pyruvate oxidation. Makes Aerobic metabolism possible. Highly exergonic, formation of NADH per molecule of pyruvate. Formation of high-energy bond between acetyl and coenzyme A. This fuels citric acid cycle. 2. Citric Acid Cycle- Pyruvate oxidation. 1st reaction- Acetyl-CoA (2C) + OAA (4C) CoA + (6C) citric acid. Oxidation to CO2 and OAA. Production of 3 NADH and 1 FADH2 per cycle. Formation of 1 ATP per cycle. 3. Electron Transfer System- Captures energy from NADH and FADH2 to create H2 gradient.4. ATP


View Full Document

UB BIO 201 - Fermentation, Pyruvate Oxidation, and The TCA Cycle

Documents in this Course
Load more
Download Fermentation, Pyruvate Oxidation, and The TCA Cycle
Our administrator received your request to download this document. We will send you the file to your email shortly.
Loading Unlocking...
Login

Join to view Fermentation, Pyruvate Oxidation, and The TCA Cycle and access 3M+ class-specific study document.

or
We will never post anything without your permission.
Don't have an account?
Sign Up

Join to view Fermentation, Pyruvate Oxidation, and The TCA Cycle 2 2 and access 3M+ class-specific study document.

or

By creating an account you agree to our Privacy Policy and Terms Of Use

Already a member?