Answer:The fluid mosaic model describes the cell membrane as a tapestry of several types of molecules (phospholipids, cholesterols, and proteins) that are constantly moving. This movement helps the cell membrane maintain its role as a barrier between the inside and outside of the cell environments.
Explanation:
Just divid the distance by time
Answer:
Its either A or B
explanation:
pls give brainlyest
Transport substances throughout the organism
