Oct15 - Biology1020 Lecture14 Didyougetit?

Info iconThis preview shows pages 1–11. Sign up to view the full content.

View Full Document Right Arrow Icon
Biology 1020 Lecture 14
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Did you get it? The molecule that functions as the reducing agent (electron donor) in an oxidation-reduction reaction A) gains electrons and gains energy. B) loses electrons and loses energy. C) gains electrons and loses energy. D) loses electrons and gains energy. E) neither gains nor loses electrons
Background image of page 2
Overview of cellular respiration: Bioflix - animation in MasteringBiology Glycolysis: pyruvate occurs in the cytoplasm two major phases
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Glycolysis 2 phases Energy _________phase ± endergonic, requires______ ± substrate is phosphorylated Energy ______phase ± exergonic, _________ATP (4) ± ADP is phosphorylated investment ATP (2) payoff generates net: 4 - 2 = 2 ATP of glycolysis
Background image of page 4
Glycolysis: Investment phase 1. Glucose is phosphorylated; ± becomes charged ± trapped in cell *not expected to remember all reactions, but be able to know what's going on whenever given one 1st ATP involved
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Glycolysis: Investment phase 2. Glucose is converted o its isomer
Background image of page 6
Glycolysis: Investment phase 3. Another phosphate added to fructose-6-phosphate 2nd ATP involved
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Glycolysis: Investment phase 4. Fructose bisphosphate split into 2 trioses (isomers of each other) 3 carbon sugars 6 C sugar isomers of each other
Background image of page 8
Glycolysis: Investment phase Glyceraldehyde-3-phosphate ___________________ Removed as fast as it forms Reaction _____________ used by next step not in equilibrium more in favour of --> direction
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
payoff phase 6. Enzyme attaches phosphate groups ± Exergonic reaction ± Product has high potential energy Phosphate from inorganic
Background image of page 10
Image of page 11
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 36

Oct15 - Biology1020 Lecture14 Didyougetit?

This preview shows document pages 1 - 11. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online