Answer:
13. is Option J) all of the above
and 14 I'm not completely sure but I think its option D.
Lipids are found in cell membranes in double layer which is called "Lipid-bilayer".
So, option A is your answer.
Hope this helps!
False. Specific gravity usually means relative density with respect to water. [ ]
Cytoskeleton because it maintains cell's shape, secures organelles in specific positions, allows cytoplasm and vesicles to move within the cell
