University:
Swansea University
Course:
PM134 | Microbiology
Academic year:

2023
Views:

304

Pages:

3
Author:

Sanjeev K

THE FIOW OF CARBON AND ENERGY IN AN ECOSYSTEM Undiscore of most biologial Light energy energy & Sunlight J photolitho ardotrophe Digam Compounde chemical energy Trespo Chemolitio audotrophe Heterotophe Ef Autotroph Energy-Capauty to dowark/ Cause poortrular change Living cell covery out 3 major type of works, and all oro core essential bo life processes. (hemical work -It involves the synthesis of celle complex biomolecule from much simple precursor, energy is needed to required by ↑ the molecular complexity of a cell. F: Molecularione often membrane against must be transported across cell an electro chemical gradient- for eg. A molecule sometime it wrc is higher mover in side the cell. to the cell even though Synthers of all macromoleculer - biological molecutes Purine Pyrimidine Transport look energy Input I's needed because molecute A Solute may and tons oftenind be transported cross cell membrane be expelled from the e an elecho chemical gradient. Cell against a core againt gradont peptidoglyoan. I requires energy Input to take up the nutrient. • eliminate waste. •To maintam lon balance Internally nutrinh Η wil transfer against the wns of solute Molicub Outside the coll Mechanical Work Energy required to change the physical location of organisme, Cells and structures within the cell. Eg. Flagella-Loun -Counter clackone - Run Clock wise -Tumble. Non flagellate - gliding movement - Pseudopodia organum Ultimate Source of energy. Sunlight. Inorganic compound Oxide energy (Chamolitwautotrophy). Trapped by Photistrophe (Dan Phoby Chemical energy Absorbed by Chlorophyll and other Pigment utilized by Photolittwantotroph ond chemolithountistrophe bimoleculs such as gleu Cells must efficiently transfer anergy from their energy generat trapping apparatus to the system actually corrrying out wode le cells must have a practical foom of energy worency. In living organisms the major worency is ATP. Aceste repration Anaerobic. respradion Fermentector. Photosynthesis ADP + Pi Chemikal work. treunsport work. ATP Mechanical work energy fronetes oll sed to reyntheime Атр. ATP for AOPAP ADP+ Pi - O-phosphate Adenosine, diphaphate bchen ATP brode daon energy work