Normal cells only divide about 50 times because the gradually become shorter, but cancer cells have an enzyme that extends the and allows cancer cells to continue to divide.

Florian discovers a rock that is broken into pieces. each piece has several bands. which type of rock does florian predict these pieces will change into when subjected to heat and pressure? igneous magma metamorphic sedimentary

What best describes the dropping height of a ball that bounces back up to a height of 45 cm

Glycogen is an energy-storage molecule in humans. a hormone that is called insulin controls the storage of glycogen in the liver. insulin is made up of amino acids.