Answer:
Proteins and lipids
Explanation:
They are made up of mostly lipids, only certian substances can move through. Phospholipids are the most abundant type of lipid fou d in the membrane. So basicly the phospholipids are made up of two layers the outer and the inner layers.
mother.....father
b
water's hydrogen bonds allow it to move upwards against gravity through plant veins.
I don’t know about the others, but the first blank is asexual reproduction
