Fluid, rolling, air resistance, and not sure about the last one.
One advantage of genetic engineering is the production of valuable proteins: recombinant DNA made possible the use of bacteria to produce proteins of medical importance such as genetically engineered human insulin which is of great importance.
Another advantage is the production of vaccines. Vaccines produced by genetic engineering offer an advantage that the microbial strains from which proteins are extracted do not contain complete viruses and thus there is no risk of accidental inoculation with live virus.
Answer:
A. Oxygen
Explanation:
During cellular respiration the cell uses oxygen to break down sugar. When sugar breaks down it produces energy in which your body needs. Blood picks up oxygen and releses carbon dioxide into your lungs.
Hope this helps!!
Answer:
<u>Skin</u>
Explanation:
With an average of 1.6 kilograms (3.5 pounds), the biggest internal organ (by volume) is the liver. The skin is the biggest internal organ, which in particular is also the biggest organ. Hope this helps ❤.