Why Do Plants Use Cotransporters Instead of Ion Channels to Transfer

question 18

Multiple Choice

Why do plants use cotransporters instead of ion channels to transfer anions into cells?

• A) Cotransporters are able to transfer anions against the membrane potential gradient, but ion channels cannot.
• B) Cotransporters can transfer ions across cell membranes, but ion channels cannot transport ions across cell membranes.
• C) Cotransporters are able to transfer anions against the proton gradient, but ion channels cannot.
• D) Anions are too bulky to be transported by ion channels.

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