Photophosphorylation PowerPoint PPT Presentations

Photophosphorylation

PHOTOPHOSPHORYLATION LIGHT-DRIVEN SYNTHESIS OF ATP ATP is synthesized in PSII Cytochrome bf pumps protons Quinones and Plastocyanin are mobile transport agents

PHOTOPHOSPHORYLAT ON * chapter 19 19.6 Abas yan k * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * PHOTOSYNTHES S: HARVEST NG L GHT ...

Anoxygenic Photosynthesis. Purple Non-Sulfur Bacteria. Purple Sulfur Bacteria. Green Sulfur Bacteria. Cyanobacterial Photosynthesis. Racker Experiment ...

Dep. of Chemistry & Biochemistry Prof. Indig Chemistry 501 Handout 19 Oxidative Phosphorylation and Photophosphorylation Chapter 19 Lehninger. Principles of Biochemistry.

Lehninger Principles of Biochemistry, Fourth Edition, 2005 Chapter 19 OXIDATIVE PHOSPHORYLATION AND PHOTOPHOSPHORYLATION

... reactions driven by light acidify the thylkoid lumen relative to the stroma ... lumen. stroma. ATP synthase ... stroma. thylakoid lumen. thylakoid membrane ...

... processes of photoionisation, photophosphorylation & photolysis. Knowledge of where these ... Knowledge of the difference between cyclic & non ...

Animation La premi re partie de l animation explique la photophosphorylation cyclique http://highered ... le PGAL est l quivalent de l ac tyl-CoA chez l ...

Light. Light. Light. Photophosphorylation. Light ... Calvin- Benson. Cycle. Light. Photophosphorylation. H2O. O2. ATP. NADPH. ADP. NADP. Pi ...

Photosynthesis in Sulfur bacteria. Cyclic photophosphorylation ... (Lumen) b6-f. complex. Photosynthesis vs. ET/OxPhos. Temperature. Regular temperature ...

Why are plants green? Pigment Spectra. Action Spectra. Chlorophyll. Electron Excitation. Passing the Buck. Photosystem II. Non-cyclic Photophosphorylation ...

Heat increases and the CO2 increase leads to an increased ... Photolysis (H2O 2H 1/2O2) Photophosphorylation (ADP P ATP) NADP Reduction (NADP H NADPH) ...

1) Light rxns use light to pump H+ use pH to make ATP by chemiosmosis 2) Light-independent (dark) rxns use ATP & NADPH from light rxns to make organics

Limiting Factors in Photosynthesis Song Hee Bae IB1 Biology The Concept of Limiting Factors Light intensity Carbon dioxide concentration Temperature Changing the ...

Photosynthesis Learning objective To be able to explain that light energy is absorbed by electrons in chlorophyll Some excited electrons gain enough energy to leave ...

PHOTOSYNTHESIS IB Biology HL E. McIntyre Simple Photosynthesis Overview Simplified Chemical summary: 6CO2 + 6H2O + energy (sun) C6H12O6 + 6O2 Properties of Light ...

Chapter 4 Photosynthesis

Chapter 19: The Light Reactions of Photosynthesis Each Year 1010 tons of carbon fixed 1017 kcal free energy The Light Reactions Chlorophyll =100,000 M-1 cm-1 Two ...

PHOTOSYNTHESIS Bio 11 Mr. McIntyre Simple Photosynthesis Overview Simplified Chemical summary: 6CO2 + 6H2O + energy (sun) C6H12O6 + 6O2 Properties of Light http ...

... water molecules are split (oxidized), O2 is released, and ATP ... This electron flow energizes ATP synthesis but does not oxidize water or reduce NADP ...

Cellular Energetics By Liz and Christine Cell Respiration Glycolysis Net 2 ATP Pyruvate Oxidation CO2 produced Krebs Cycle aka Citric Acid Cycle 1 ATP made per each ...

... to pump H ions from the stroma, across the thylakoid membrane to the ... Also takes two H from stroma thereby reducing NADP to NADPH H ATP Synthesis ...

Light reactions or photochemical phase is directly depends on light Light reaction phase include Light absorption Splitting of water molecule Release of oxygen molecule Formation of high energy chemical intermediates (ATP and NADPH) Several protein complexes are involved in the process The pigments are organised into two discrete photochemical light harvesting complexes (LHC) within the Photosystem I (PS I) and Photosystem II (PS II).

Self-Check Self-Check Self-Check Self-Check Lecture 7 Concepts Describe in words the purpose of photosynthesis Write the equation for photosynthesis List the steps of ...

PHOTOSYNTHESIS E. McIntyre IB Biology HL The Calvin Cycle The end product of photosysnthesis isn t really glucose; it s triose phosphate (TP).

Organization of an anoxygenic photosystem in the bacterial membrane ... Methanogens may be autotrophic or organotrophic. obligate anaerobic archaea. Fermentation ...

... CO2 Dark reactions of photosynthesis Take place in stroma Photosynthesis and cellular respiration are reverse reactions Redox ... Calvin Cycle Anabolic rxns ...

Plants are autotrophic and can produce their food by photosynthesis. What is Photosynthesis, to know it, please study the s carefully.

Title: No Slide Title Author: Pc Last modified by: piyada Created Date: 3/14/1996 4:42:45 PM Document presentation format: On-screen Show Other titles

Photosynthesis Photosynthesis Sun--source of all energy on earth. Autotrophs Examples Photosynthesis Chemosynthesis Heterotrophs Herbivores Carnivores Omnivores 600 ...

Phases of Photosynthesis Photosynthesis occurs in 2 phases, which include 3 main goals: A. The Light Reactions 1. Capturing light energy 2. Using the light energy to ...

Chapter 10~ Photosynthesis

Overview of Photosynthesis

Chapter 10~ Photosynthesis

... wavelengths than associated Chl or Bchl and transfer ... Activation by light is of chlorophyll (Bchl) e-s. PMF is generated. ATP synthases generate ATP ...

Photolysis. Phosphorylation is simply the addition of a phosphate, so ... Photolysis. Light is used to split water. 2H2O 2H2 O2. Chlorophyll. Exciting the ...

Environmental microbiology is the study of microbial processes in the environment, microbial communities and microbial interactions. This includes: Structure and activities of microbial communities Microbial interactions and interactions with macroorganisms Population biology of microorganisms Microbes and surfaces (adhesion and biofilm formation) Microbial community genetics and evolutionary processes (Global) element cycles and biogeochemical processes Microbial life in extreme and unusual little-explored environments

PHOTOSYNTHESIS SOUTH DAKOTA ADVANCED SCIENCE STANDARDS 9-12.L.1.1A. Students are able to explain the physical and chemical processes of photosynthesis and cell ...

Chapter 10~ Photosynthesis * C3, C4, and CAM truly refer to the alternative method of carbon fixation -- grabbing carbon out of the air -- and not the Calvin Cycle ...

What to do with energy generated from respiration, photosynthesis or fermentation? ... chemolithotrophs - oxidize inorganics for energy, use some of this energy to ...

Slide 1

... fermentation 2ATP NADH fermantation NAD+ ...

Metabolism Anabolism Catabolism Energy Capture Oxidation Electron loss Reduction Electron gain Redox Coupled reactions Metabolic Lifestyles AUTOTROPHY Photoautotroph ...

Photoautotrophs Use radiant energy to make their own food (Plants, Algae, and Cyanobacteria) ... a strand of Spyrogyra (a green alga) with the spectrum of light from a ...

Biosynthesis of Polysaccharides. Biosynthesis of Lipids. Biosynthesis of Amino Acids and Proteins. Biosynthesis of Purines and Pyrimidines. PHOTOSYNTHESIS. ...

Chapter 4 Microbial Metabolism Metabolism Breakdown of complex organic compounds into simpler ones Generally hydrolytic reactions ( ) Exergonic ( ...

Energy needs of life. All life needs a constant input of energy. Heterotrophs ... because they absorb light wavelengths in red & blue and reflect green back out ...

Azotobacter. Contains one [4Fe-4S] cluster and one [3Fe-4S] cluster. Energetics. Need 2 ferredoxins. Produces good reductant (Ch*) and strong oxidant (Z)

Determine whether unknown solutions showed positive chemotaxis by ... a. Calvin Cycle. Cross section of a leaf. Stomata used for gas exchange and transpiration ...

Photosystem II is not needed to supply electrons, and no O2 is evolved from water. Can the chloroplast produce NADPH in this way? A: No NADPH is formed, ...

Metabolism Catabolism-Glycolysis (Kreb Cycle) Anabolism-Photosynthesis Metabolism Sum of all chemical reactions Catabolism Exergonic reaction Most of energy in ATP ...

No Slide Title

Energy Related Organelles By: Madison Greening, David Hughes, Kathryn Butler, Kelsey Ivory

An introduction to energy production in biological systems L1 L2 L3 *

LIGHT DEPENDENT REACTIONS OF PHOTOSYNTHESIS (1) As light falls upon the pigments of the chloroplast, energy causes the electrons in photosystem II (p680) to leave the ...