Cell, tissue, organ, organ system, organism...................................................................
Answer:
Tight junctions are specialized regions of the plasma membrane that mediate separation of the apical and basolateral membranes.
Explanation:
Transcellular Transport is the pathway in intestinal epithelial cells where particles move from one cell to another depending on the physicochemical properties of the particles passing both the the apical membrane and basolateral membrane. Tight junctions create a paracellular barrier in epithelial and endothelial cells protecting them from the external environment
Answer:
It also provides an extremely stable backbone with the negatively charged phosphates pointing to the outside of the molecule. This charge aids in the attachment of other molecules to the strand of DNA. DNA double helix allows it to be stable and it won't easily destroyed.
Answer:
A community is an interacting group of various species in a common location.