Gel electrophoresis is a technique used to separate DNA fragments according to their size. This is from Khan academy so I believe it is reliable.
It could have the most direct effect on the amount of mitochondria in cells and also the system of the membrane.
It can't be released by photosynthesis
Circulatory system.....circulates blood (a vital delivery system of oxygen) throughout the whole body when tissues need it the most and with a constant supply.
The skin is made up of three layers, each with its own important parts. The layer on the outside is called the epidermis
