What organelle is onlg found in abimal cells and onlg used during cell dision?

Freckles are a dominant trait in humans. both of the girls have the genotype ff for freckles. if either one marries a man with no freckles, what are the chances that their children will have freckles?

Energy for use in cells is stored in form of 1.chemical bond energy 2.physical energy 3.heat energy 4.mechanical energy.

When the body has a weakened immune system, the production of antibodies is increased.