B
Publish his findings in a research journal because he is experimenting what medicinal properties can be tested or are associated with the plant. He should have kept the notes in a research journal for making observations so B.
Answer:
It adjusts to different oxygen levels.
The cytochrome bo branch operates when E coli is growing rapidly with good aeration.
The cytochrome bd branch operates at low oxygen conditions. It is located in the outer membrane.
Explanation:
Electron transport chains of Escherichia coli are composed of different dehydrogenase and terminal reductase which is linked by quinones. It adjusts to different oxygen level because Oxygen is preferred electron acceptor and represses the terminal reductase of anaerobic.
l hate school toooooooo:(
Nutrients enter a cell up the concentration gradient by the process of active transport.