Answer:
A
Explanation:
The components of salt water are chemically combined together and looks throughout, forming a homogeneous mixture.
It is regulated by peristaltic movements. Then the pyloric sphincter will act as a valve at the junction between the stomach and duodenum, controlling the flow of chyme into the small intestine.
Things going from low concentration to high concentration with ATP. An example would be the sodium potassium pump
Hi! I can help you out.
RNA polymerase binds to regions of DNA called promoters, which are "start" signals for transcription
