The most appropriate answer is D !!
Answer:
The purpose of colorful petals is to attract insects
Answer:
The number of double bonds in the fatty acid chain
Hair follicles is the hair coming out of the subcutaneous layer
Passive Transport: Simple Diffusion. Diffusion across a cell membrane is a type of passive transport, or transport across the cell membrane that does not require energy. ... Molecules that are hydrophobic, just like the hydrophobic region, can pass through the cell membrane by simple diffusion.
