Answer:
double helix, which is made up of a nitrogenous base, a five-carbon sugar (deoxyribose), and a phosphate group. There are four nitrogenous bases in DNA, two purines (adenine and guanine) and two pyrimidines (cytosine and thymine).
Explanation:
They have an equal number of protons (positive charge) and electrons (negative charge)
A. FAMILY, GENUS, SPECIES, SUBSPECIES.
The complete and correct hierarchy of taxonomic groups from largest to smallest are:
1) Domain
1.1) Archaea 1.2) Bactera 1.3) Eukarya
2) Kingdom
2.1) Animalia 2.2) Plantae 2.3) Fungi 2.4) Protista 2.5) Archaea 2.6) Bacteria
3) Phylum - has 35 phyla
4) Class
5) Order
6) Family
7) Genus
8) Species