Answer: A. Accumulate keratohyalin granules. B. Cells increase in size, some retain ability to divide. C. Cell membrane thickens. Cells imbedded in lipid matrix. D. Cells within this layer proliferate.
Explanation:
It’s a simple thing really, the more options or “diversity” it’s more likely that it will be more sustainable and things will find a way to survive. Think about it like a video game level, the more tries you have the more likely you are for success
The external cell membrane. Even organisms as simple as bacteria have a cell membrane.
Prokaryotes do not have internal membranes but they still have external membranes.
Everything living thing has a cell membrane
Only eukaryotes contain upper three but all cells contain "Contractile Vacuoles"
In short, Your Answer would be Option D
Hope this helps!