Answer:
Pumps, also called transporters, are transmembrane proteins that actively move ions and/or solutes against a concentration or electrochemical gradient across biological membranes. One moves with the concentration gradient (high to low) which powers the movement of the other against the gradient (low to high).
Answer:
a
Explanation:
This is owing to some nebulae (more than one nebula) come from the gas and dust thrown out by the explosion of a dying star, such as a supernova
Answer:
I believe it is D
Explanation:
If an antibody is produced for a bacteria, then it would be specific to that bacteria. If the bacteria evolves, an new antibody would have to be produced to mach that new strain of bacteria. I could be wrong, but that is my reasoning. Hope it helps :)
Answer: HEYYYY also if I’m correct anaerobic respiration doesn’t need oxygen maybe I’m wrong id.k
Explanation:
