The bacterium Streptococcus lacks an electron transport chain. How does ATP production in this organism compare...
The bacterium Streptococcus lacks an electron transport chain. How does ATP production in this organism compare to one that has an electron transport chain?
Homework Answers
Question
The bacterium Streptococcus lacks a electron transport chain because of absence of electron transporter and final acceptor in the electron transport chain that take place during aerobic respirarion. Therefore, in this bacteria , they undego specific anaerobic respiration known as lactic acid fermentation, where only 2 ATP produced during glycolysis is the only energy source.
Glycolysis----->2 pyruvate ------> 2 lactate + 2 ATP
This ATP produced in glycolysis. Therefore, very less ATP is produced in this bacteria.
On the other hand, in other organism that have electron transport chain. The cellular respiration and ATP production will be like this:
Glycolysis---->2 pyruvate------> Kreb cycle------>elrctron tranport chain---> CO2 + H2O + 38ATP
So, the number of ATP produced and other product like CO2 and H2 O will be different from Streptococcus.
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The bacterium Streptococcus lacks an electron transport chain.
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