The action by which a fluid enters the microhematocrit tube because of the attraction between the fluid and the tube is called capillary action.
Sediment. So the river picks up sediment when it is moving quickly and deposits it when it slows down (or when there is a bend in the river).
Ribonucleic acid is what RNA stands for
Receptors<span> are generally transmembrane </span>proteins<span>, which bind to signaling molecules outside the cell and subsequently transmit the signal through a sequence of molecular switches to internal signaling pathways</span>