<P> A common feature of all electron transport chains is the presence of a proton pump to create a transmembrane proton gradient . Bacterial electron transport chains may contain as many as three proton pumps , like mitochondria , or they may contain only one or two . They always contain at least one proton pump . </P>
<P> A common feature of all electron transport chains is the presence of a proton pump to create a transmembrane proton gradient . Bacterial electron transport chains may contain as many as three proton pumps , like mitochondria , or they may contain only one or two . They always contain at least one proton pump . </P>
​ which of the following is a feature of the electron transport chain
​ which of the following is a feature of the electron transport chain
A common feature of all electron transport chains is the presence of a proton pump to create a transmembrane proton gradient . Bacterial electron transport chains may contain as many as three proton pumps , like mitochondria , or they may contain only one or two . They always contain at least one proton pump .
A common feature of all electron transport chains is the presence of a proton pump to create a transmembrane proton gradient . Bacterial electron transport chains may contain as many as three proton pumps , like mitochondria , or they may contain only one or two . They always contain at least one proton pump .