Answer:
D
Explanation:
DNA use thymine and rna uses uracil but they use a,c,g together
I believe the answer is linear :)
Answer:
Cells can die because they are damaged, but most cells die by killing themselves. Some cell death processes leave no trace of the dead cell, whereas others activate the immune system with substances from the dead cell.
Explanation:
Answer:
basically Peristalsis is the involuntary constriction and relaxation of the muscles of the intestine or another canal, creating wavelike movements that push the contents of the canal forward.
it occurs in esophagus, stomach, intestines.