Question

Water can flow freely into a gummy bear. What is the term for movement across a cell membrane that does not require energy? Question 9 options:

Answer 1

The correct answer is “passive transport”. This is a movement of biochemicals, ions and other molecular or atomic substances across cell membranes without the need of energy input. The four main types of passive transport are:

1. Simple diffusion;
2. Facilitated diffusion;
3. Filteration;
4. Osmosis.