photosynthesis notes

calvin cycle is not krebs cycle calvin cycle is

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: *the*cytochrome*complex* 3.  Hydrogen*ion*is*removed*from*the*stroma*when*it*is*taken*up*by*NADP+* The light reaction provided the ATP for driving the Calvin Cycle!! CALVIN CYCLE IS NOT KREBS CYCLE. CALVIN CYCLE IS PHOTOSYNTHESIS, KREBS/CITRIC ACID IS CELLULAR RESPIRATION! The(Calvin(Cycle:( ( Note:**To*synthesize*one*output*molecule*(GlyceraldehydeZ3Zphosphate,*G3P),*the*cycle*must* take*place*3*4mes* * Phase'I'R'Carbon'Fixa0on:*** •  Three*CO2*molecules*enter*Calvin*cycle*(1C)* •  Combine*with*three*RuBP*molecules*(5C)* •  Generate*three*shortZlived*intermediates*(6C)* •  Breakdown*to*form*six*3ZPhosphoglycerate* molecules*(3C)* Very reactive molecule!! --> Make 6 Carbon molecules Veryyyyy unstable - breaks in half C'REnters' 6C'–'very'unstable' breaks'in'half' This is the 3C 3C'molecules' * Rubisco:' 5C' MOST ABUNDANT PROTEIN ON EARTH!!! And in Chloroplast. Functions to Catalyze the first step of the Calvin Cycle Phase'2'–'Reduc0on:'requires*six*ATP*and*six*NADPH* very unstable Very'unstable'' Phase*2* oxidized' End up with 6 3-C molecules reducing power!!!! NADPH loses e- But only ONE exits!!!!!!!!!!!!!!!! reduced' Only'1'molecule'out'of'6'molecules'exits' This G3P (3C) is the precursor for glucose and pretty much all other organic molecules GlyceraldehydeR3Rpho...
View Full Document

This document was uploaded on 02/04/2014.

Ask a homework question - tutors are online