Carbon is the basic building block to most cells in the body.
It helps with cellular respiration where your body releases energy stored in glucose and the glucose compound is full of carbon, hydrogen, and oxygen.
Carbon makes up 18% of the human body.
Sugars in the body like glucose hold carbon elements.
There is no picture , what picture ?
All cells have a cell membrane. its basically what protects the cells from getting toxins that are sometimes entering your body. without a membrane on all cells, you would get sick a lot!!
Answer:
Either due to mistakes when the DNA is copied or as the result of environmental factors such as UV light and cigarette smoke.