If two species physically capable of mating but fertilization is unable to occur, this is an example of what type of reproductive barrier?

Determine whether the characteristic describe dna replication in prokaryotes only, eukaryotes only, or both prokaryotes and eukaryotes drag each tile to the correct location on the chart

Nitrofurantoin used during the fifth week of pregnancy places the neonate at risk for which condition?

Ectocarpene is a volatile, sperm cell-attracting material released by the eggs of the seaweed ectocarpus siliculosus. its constitution is all the double bonds are cis, and the absolute configuration of the chirality center is s. draw a stereochemically accurate representation of ectocarpene.