Answer:
unicellular ....... sorry there's a 20 character requirement
When there is a cut on your skin, it gives bacteria and other organisms a gateway to enter directly into your bloodstream and could harm the body. By cleaning the wound, you prevent disease and infections from the bacteria.
The living cell main source of energy is the sun.
Answer:
Because that's what they are made of.
A nucleic acid is made up of nucleotides, and nucleotides contain....
- a pentose sugar (carbs)
- nitrogenous base (ATCG)
- phosphate group
