How do carrier proteins recognize substances to transport in active transport A. They will allow any substances to pass

B. That have specific binding site for the substance

C. They have a lore that only the substances will fit through

D. The substance recognizes the carrier protein.

Some birds look for food near cattle and other livestock. the movement of the cattle churns up the ground, making insects available to the birds. the cattle appear to be unaffected by the presence of the birds. what kind of relationship exists between the birds and the cattle? o a. parasitism o b. commensalism o c. predation o d. mutualism

How many major plates cover the earth

Brainliest ! which would require more force to move or slow down between a bowling ball and a soccer ball? explain why?