Compare and contrast chemiosmosis in photosynthesis …
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What's the difference between Cellular Respiration and Photosynthesis
The earliest cells, prokaryotes living in an early Earth devoid of free oxygen, used various alternative electron acceptors to carry on anaerobic cellular respiration. After cyanobacteria invented oxygenic photosynthesis and pumped oxygen gas into the oceans and atmosphere, bacteria that adapted their electron transport chains to exploit oxygen as the terminal electron acceptor gained higher energy yield and thus a competitive advantage. One line of aerobic bacteria took up an endosymbiotic relationship within a larger host cell, providing ATP in exchange for organic molecules. The endosymbiont was the evolutionary ancestor of mitochondria. This endosymbiosis must have occurred in the ancestor of all eukaryotes, because all existing eukaryotes have mitochondria (Martin and Mentel, 2010). The evidence for the endosymbiont origin of mitochondria can be found in:
It takes place in the mitochondria, consuming oxygen, producing carbon dioxide and water as waste products, and converting ADP to energy-rich ATP.
Two Types of Fermentation
Lactic Acid Fermentation:
The process by which our muscle cells deal with pyruvate during anaerobic respiration.
A type of cellular respiration which does not require oxygen (anaerobic respiration), and involves the breaking down of glucose to pyruvic acid and then finally ethanol.
Lactic Acid Fermentation:
Definition of the Electron Transport Chain:
A group of compounds that pass electrons from one to another coupled with the transfer of protons across a membrane to create a proton gradient that drives ATP synthesis.
Inner mitochondrial membrane
How do you inputs and outputs of photosynthesis relate to those of respiration?
The inputs and outputs of photosynthesis relate to those of respiration because the outputs of photosynthesis (oxygen, glucose, and water) are the inputs of respiration.
Comparing chemiosmosis in cell respiration & photosynthesis
lactic acid and alcohol
Occurs in plants, some protists, and some bacteria
Occurs in plants, animals, fungi, some protists, and some bacteria
Occur in plants
Products are used in respiration
Products are used in photosynthesis
Requires light energy
Does not require light energy
Occurs in chloroplasts
Occurs in mitochondria
Include electron transport chains
Uses light energy to produce chemical energy in the form of carbohydrates
Uses chemical energy to produce energy in the form of ATP
Equations are reversed of each other
for you to compare respiration and photosynthesis:
useable energy occurs through cellular respiration
Chemiosmosis in cellular respiration ..
Use two key differences to explain how chemiosmosis is different in photosynthesis and cellular respiration
Photosynthesis and Cellular Respiration Flashcards | …
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a different cellular ..
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