Helicase breaks hydrogen bonds of the DNA helix. Therefore it “unzips” the DNA helix and separates the strands for free complementary RNA strands which use the strands as a template during replication.
Answer:
Our body cells require oxygen to release energy.
Explanation:
The oxygen that we take in during respiration is used to break down the food we eat to release energy from it. When we breathe in oxygen, it diffuses into blood from the lung, where it is transported by red blood cells to the entire body to be used to produce energy.
Answer G. The progeny would be normal because the mutation was somatic, occuring in body cells, not sex cells.
Answer:
it's useful so that if your family has a history of something like cancer just because you have no symptoms they can check to see if you have it just to be sure
