Select all the correct answers. What are the two basic differences between DNA and RNA?
RNA is usually single-stranded, while DNA is usually double-stranded.
RNA contains uracil, while DNA contains thymine.
RNA is usually double-stranded, while DNA is usually single-stranded.
RNA contains thymine, while DNA contains uracil.
RNA doesn’t contain cytosine, while DNA doesn’t contain adenine.

Answer So, the three main structural differences between RNA and DNA are as follows: RNA is single-stranded while DNA is double-stranded. RNA contains uracil while DNA contains thymine. RNA has the sugar ribose while DNA has the sugar deoxyribose.

Explanation:

RNA is usually single stranded while DNA is usually double stranded

and

RNA contains Uracil while DNA contain Thymine

Explanation:

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.

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explanation: