Which of the following statements is true about the structure of the cell membrane?

the two layers of the plasma membrane are identical.

the plasma membrane is a rigid structure.

the proteins on the two layers are not identical.

proteins are found only on one surface of the membrane

Pls need ! in your opinion, what are the limiting factors that might affect the growth or diversity of our ecosystem? respond to this question in claim, evidence, reasoning format. 1. make your claim (i are the limiting factors that might affect the growth or diversity of our 2. follow the claim with 3 pieces of evidence. evidence may be taken from the reading, the videos, previous lessons, or googled answers. site sources, too. 3. use reasoning to explain why you chose your evidence.