The first embryonic stem cell trials too place october 2010 to treat a patient. this patient had been left partially paralysed by nerve damage after a spinal injury. explain why it is an advantage to use embryonic stem cells to treat spinal injuries.

Asmall population of chimpanzees lives in a habitat thant undergoes no change for a long period of time. how will genetic drift affect this population

What do isotopes of uranium have the same number of? what do they have a different number of? a) same number of protons; different number of electrons b) same number of protons; different number of neutrons c) same number of electrons; different number of protons d) same number of neutrons; different number of protons

Explain the process that creates the heat of the sun?