Answer:
Aquaporins
Explanation:
Aquaporins are the channel proteins that is present in the membrane of the cell which allow water to cross the membrane very quickly. This aquaporins play an important roles in plant cells, red blood cells, and certain parts of the kidney where this protein minimize the amount of water lost as urine. Without this protein, the diffusion of water across the cell membrane is not possible very quickly.
Spine or Vertebral column is composed of a series of 31 bones known as vertebrae.Spine or Vertebral column is composed of a series of 31 bones known as vertebrae. Curvature of the spine serve the body by giving additional springiness and flexibility to the spine by absorbing the shock Curvature of the spine serve the body by giving additional springiness and flexibility to the spine by absorbing the shock.
A plant cell is rectangular, while an animal cell is circular.
<span>specialized cells, thats what bone and blood cells are considered </span>
