Answer:
Explanation: The basic unit of a DNA is a Nucleotide. The nucleotide comprises of: the nitrogenous bases, a deoxyribose sugar and a phosphate group. The nitrogenous bases are the purines and pyrimidines . The include, Adenine, guanine, Thymine and cytosine
The answer is chromosomes. The chromosome contains the DNA nuclei. It contains all the genetic material of the parents.It is often duplicated in the cell metaphase of the cell division. Chromosomes differ from one organism to another. They are often visible under the microscope.
AAA-TTT
T pairs with A.
A pairs with T.
The graph table population is continuously increasing until 2007