Pick the one that gets to your heart
Answer:
the word 'structure' in biology has the following meaning;
"<em>An arrangement or organization of parts to form an organ, system, or living thing</em>"
Answer:
20% plus 20% is 40% of adennine and thymine. From 100% DNA bases subtract 40% and you will get 60%. Then divide this by 2 and you will get 30%. 30% of guanine and 30% of cytosine, because their amounts are equal in the DNA stand.
D. Mendel is considered the father of genetics.
This isn't really a contribution, but an acknowledgment, but the other options are all very wrong.