We use a prison as an analogy for this. If the gate is open, the prisoners can easily or freely leave the prison cell. This will represent passive transport. In order to get prisoners in the cell, you have to put force on them and this will be active transport.
Answer:
provides energy and insulation
Explanation:
the biomolecule is carbohydrates or lipids
Answer:
Atoms containing the same numbers of protons and different numbers of neutrons are <u>isotopes</u>.
