Answer:
small molecules easily pass through the phospholipids in the cell membrane
4. Gene frequencies will remain constant
The independent variable controls the dependent variables.
Eukaryotic cells contain membrane-bound organelles, including a nucleus. Eukaryotes can be single-celled or multi-celled, such as you, me, plants, fungi, and insects. Bacteria are an example of prokaryotes. Prokaryotic cells do not contain a nucleus or any other membrane-bound organelle.
