Uranium-235 is the answer
So, the endoplasmic reticulum does many things, such as folding the protein molecules in sacs called cisternae. It also transports synthesized proteins in vesicles to the Golgi apparatus.
mutation is a change that occurs in our DNA sequence.some mutation has a positive effect on organisms in which they occur, they are also called beneficial mutation. such causes a body to produce certain proteins which are helpful in for organism to adapt to changes in environment.
" <span>The cells I believe would be most common in muscle cells would be mitochondria in order to give the muscle, whether smooth, cardiac, or skeletal, enough energy to perform its job".....hope this helps.</span>