Answer:
Membrane proteins perform a variety of functions vital to the survival of organisms: Membrane receptor proteins relay signals between the cell's internal and external environments. Transport proteins move molecules and ions across the membrane. ... Cell adhesion molecules allow cells to identify each other and interact.
Explanation:
I think the correct answer is c
According to the National Heart, Lung, and Blood Institute, adults need around seven to eight hours. For teenagers they recommend nine to ten, and at least ten for children.
Shifting rainfall patterns, rising sea levels and changing ocean chemistry will affect people and ecosystems in Hawaii. flooding and erosion, damaging coastal ecosystems, infrastructure, and agriculture. ... Warmer oceans are already leading to increased coral bleaching and disease outbreaks, and threatening fisheries.