It's cheap, it's easy, and all the cell has to do is sit there and let the molecules diffuse in. ... suppose the sugar glucose is more concentrated inside of a cell than outside ... If sodium ions are outside of a cell, they will tend to move into the cell based .... by building up a high concentration of potassium ions inside the cell, which ...
The cell wall is an outer protective membrane in many cells including plants, fungi, algae, and bacteria. Animal cells do not have a cell wall. The main functions of the cell wall are to provide structure, support, and protection for the cell
One parents would have a Homozygous trait BB for blue eyes in order for the blue eyes to be shown in an offspring.
One parents could have either heterozygous (Gb) or homozygous (GG) traits for the green eye trait to appear since it is a dominant trait.
They are oxygen, carbon, hydrogen, and nitrogen.