Help please! 1. Which of the following is not a function of the cell membrane?

A. Supporting the cell wall
b. Delimiting the cell, separating its internal environment from the external environment.
c. Detecting external environment signals
d. Protecting the cell against the action of various agents

Mitochondria is the cell organelle that produced the energy that is needed in the body system in form of atp, that is why it is called the power house of the cell. energy is needed by the living organisms to carry out the activities which sustain life.  if the mitochondria is destroyed atp will not be produced. if the mitochondria is destroyed, energy production will stop and the affected living organism will not have the energy to carry out the necessary life processes; this will lead to the death of the organism.

B.) nitrogen fixationnitrogen fixation is the process of nitrogen molecules seeping into the soil and inside plant roots and bacteria. it gives more "life" to plants

The correct answer is a