Answer:
The correct answer would be - option B. information system.
Explanation:
DNA is the unit of heredity as it contains the genetic code of an organism which is carried all the genetic information and transfer from the parent cell to the daughter cell. It also carries the information required for making all essential proteins in an organism.
So, if an organism did not have DNA, it would be missing the information system which is also responsible for the cell division other than given information.
6H2O = six molecules of water. As we learned earlier, the glucose will be used by the plant as energy. The oxygen and water will be released back into the atmosphere to help other living things.
Phylogenetic trees are often used to track what evolved from what.
Answer:
A
Explanation:
A(adenine) form 2 hydrogen bond with T(thymine)
G(guanine) form 3 hydrogen bond with C(cytosine)