Rosalind franklin's data indicated that the dna molecule had to be long and thin with a width(diameter) that is 2 nanometers along its length. double-ringed nucleotides are wider than single-ringed ones, so the uniform width of the dna molecule results watson and crick declared).

many phylogenetic trees have a single lineage at the base representing a common ancestor. a lineage that evolved early from the root and remains unbranched is called basal taxon. when two lineages stem from the same branch point, they are called sister taxa.

can i get the brainliest pls

explanation:

the answer would be..

b. sucking

answer: 20 percent

the fish culture has become a developing commercial practice in developing countries which is already prominent in developed countries of the world. the major fish protein demand is being supplemented in developing countries is   fishing to meet the needs of the growing population. therefore, in some developing nations, the percentage of animal protein from fish in the diet can be as high as 20 percent.