You are studying an organism Methylacquaticus coli , and have shown that it can

Question

You are studying an organism Methylacquaticus coli, and have shown that it can transport and utilize gluconate as a carbon source. You conduct several experiments to try to determine what type of transport protein is responsible for gluconate uptake, and find that the compound CCCP, which disrupts the proton motive force, abolishes growth on gluconate. Which of the following transporter types might be involved in gluconate uptake?
I. TonB-dependent outer membrane protein
II. Phosphotransferase system protein
III. ABC Transporter
IV. Symporter

You are studying an organisn Methylacquaticus coli, and have shown that it can transport and utilize gluconate as a carbon source. You conduct several experients to try to deterine what type of transport protein is responsible for gluonate uptake, and ind that the cmpound COCP, which disrupts the proton motive lorce, abolishes growthon gluconate. Which of the ng transporter types might be involved in gluconate uptake? I. TonB-dependent outer membrane proteln Phosphotransferase system prateln . AHC Transporter IV. Sympurter O II and IV O II and III I and IV O I and III

Explanation / Answer

i believe the correct answer to be the option 3 (i. e I and IV) since these are the only two that are capable of depending upon proton motive force to get transported through the membrane, i am not sure about the IV but confident about I.

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