Answer:
A
Explanation:
Option A is the orientation of phospholipids that best represents the phospholipid bilayer of the plasma membrane.
The phospholipid bilayer (the lipid layer) is known to be a thin polar membrane. It is usually made of two layers of molecules that are lipids. These are flat sheets which actually form a continuous barrier around the cells.
The phospholipid is a lipid which is made up of glycerol, two fatty tails and the head is phosphate-linked. The tails point inward and are arranged in a way called phospholipid bilayer.
Phospholipids are great for building the protective barrier around the cell of the body.
They are still present because moths do not only hide on trees. They can hide on bushes, buildings, etc. I hope this helped ^^
Answer:
I think B is baby teeth and A is permanent teeth
a) Baby teeth doesn't fall on schedule and permanent teeth come in behind them this results is two rows of teeths.
A scientist that studies earthquakes would be called a 'Seismologist'. :)