In order for nutrients to enter the cell, those nutrients must pass through what cell structure? O the nucleus
O the mitochondria
O the cell membrane
O ribosomes

The cell membrane

Explanation:

This is the phospholipid bilayer that everything that wants to come into the cell has to move throught. It is also selectively permeable.

characterization of nanoparticles is a critical step in nanomaterial production as it provides information of dimension, morphology, surface charge, distribution and degree of surface functionalization.

explanation:

on disadvantage of hydroelectric power is the cost. another disadvantage of using hydroelectric power is finding a water source powerful enough to harvest hydroelectric power.