DNA is what codes for everything in your body and DNA helps make proteins mRNA tRNA and rRNA
Answer:
they can fly , which requires alot of energy & keep their body warm with their feathers
Eukaryotes
Nuclear
Divide
Organelles
Membrane
Evolved
Molecules
Brane
Regulating
Active
Nucleus
Endoplasmic
Hope thats what you need!
Do you mean ion pumps in the membrane of cell?
If so, then ion pumps maintain an electrochemical gradient across the membrane.