How does a transmembrane protein transport a molecule against the concentration gradient (2)
The transmembrane protein transport a molecule against the concentration by active transport (1) which requires ATP (1).
BM
Related Biology A Level answers
All answers ▸What properties does water possess that make it an essential molecule for life?
How does the structure of glycogen relate to its function?
What are the differences between directional and stabilising selection? Give an example of each.
What is cross bridge cycling and why is it important in muscle contraction?