Weakening of it is what it does
Tight junctions hold the cells together as a rivet would in hardware so it can't be taken apart. This makes it so skin and intestines are very strong and don't break very often
The correct answer is D: Schleiden and Schwann
A nucleus is a membrane‐bound organelle in eukaryotic cells that functions to maintain the integrity of the genetic material and, through the expression of that material, controls and regulates cellular activities.
