Question

What is needed for materials to be transported from low concentration to high concentration (against the concentration gradient)?
Responses

Phospholipids
Phospholipids

Energy (ATP)
Energy (ATP)

Mitochondria
Mitochondria

Small Materials
…….
Answer
Not an option
Answered by GPT 3.5
Carrier proteins or channel proteins
Answered by GPT 3.5
Sorry about that. Another answer could be active transport proteins or pumps that can move materials against the concentration gradient.