main engines of creation of the proteins on which the body depends.
Keratin is an intracellular fibrous protein that gives hair, nails, and skin their hardness, strength, and water-resistant properties. The keratinocytes in the stratum corneum are dead and regularly slough away, being replaced by cells from the deeper layers
Hope this helped!
Good luck :p
~Emmy <3
None...........................probably mars
Answer:
B
Explanation:
A child needs a beating heart to live, if not they cam't develop.
The new cells would have incorrect number of chromesomes
