Lecture_22-Metabolism_Intro_and_Glycolysis

Lecture_22-Metabolism_Intro_and_Glycolysis - BIOENERGETICS...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
BIOENERGETICS AND BIOTHERMODYNAMICS Energy Flow in Living Systems ATP P i ADP G ' ° = 30.5 kJ mol start with 1 mole you get 30.5kJ P i ADP 1 mole 1 mole 1 mole + 30.5 kJ of heat Adding heat to isothermal systems is pointless Simple hydrolysis can’t be how ATP provides energy +H 3 N CH C CH 2 O - O CH 2 C -O O +H 3 N CH C CH 2 O - O CH 2 C H 2 N O ATP ADP + P i NH 3 + ATP ADP +H 3 N CH C CH 2 O - O CH 2 O O O -O O - NH 3 O - O P -O O - ± ATP activates other molecules by transferring its phosphoryl group to them ATP has a high phosphate transfer potential
Background image of page 1

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

View Full DocumentRight Arrow Icon
METABOLISM Breaking it Down Metabolism: Overview starting compound product E 1 E 2 E 3 a metabolic pathway metabolites catabolic pathways: degradative phase Convergent - lead to a common endpoint A B C D anabolic pathways: synthetic phase A B C D Divergent - lead to a multiple endpoints
Background image of page 2
PRINCIPAL CHARACTERISTICS OF METABOLIC PATHWAYS 1. Metabolic pathways are irreversible 1 2 3 4 G 1 = 2 kJ/mol G 2 = -32 kJ/mol G 3 = 1 kJ/mol Δ G overall = Δ G i i = 1 3 = 29 kJ mol 2. Catabolic and anabolic pathways must differ 1 4 2 3 1. Metabolic pathways are irreversible G 1 = 2 kJ/mol G 2
Background image of page 3

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

View Full DocumentRight Arrow Icon
Image of page 4
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 11/28/2011 for the course CHEM 340 taught by Professor T.baird during the Fall '11 term at S.F. State.

Page1 / 8

Lecture_22-Metabolism_Intro_and_Glycolysis - BIOENERGETICS...

This preview shows document pages 1 - 4. Sign up to view the full document.

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