Gene expression can occur at several points along the pathway from dna to rna to proteins. in one example of gene expression, the protein insulin must be trimmed to a smaller size. how is this is an example of gene expression

This is the diveristy of ecosystems natural communites and habits it is the variety of ways that species interact with each other and their environment

Describe how a non-resistant staphylococcus aureus bacterium can produce a bacterium that is resistant to methicillin

Which of the following factors would not contribute to allopatric speciation? a) a population becomes geographically isolated from the parent population. b) the separated population is small, and genetic drift occurs. c) the isolated population is exposed to different selection pressures than the ancestral population. d) different mutations begin to distinguish the gene pools of the separated populations. e) gene flow between the two populations is extensive.