Rna and dna are which type of macromolecule

One of the largest seafood exporters to the united states is a. china b. brazil c. mexico d. saudi arabia

In some plants, pointed leaves (p) are dominant over rounded leaves (p). a plant with a genotype of pp

What did not occur in the proterozoic eon a)the oxygen levels increase greatly in the atmosphere,b)the emergence of the eukarya , c)muti cella’s eukaryotic organisms began to diversify,d)anaerobic bacteria kept thriving with more oxygen