The answer for the given question above about a cladogram showing the evolutionary relationships between different vertebrates is option A. <span> Amphibians and birds share a more recent common evolutionary ancestor than sharks and birds. I hope this helps.</span>
The endoplasmic reticulum helps in the production of proteins and lipids.
The direct result of a normal cell's ability to express only certain genes is that the cells can differentiate and specialize. In multicellular organisms, nearly all cells have the same DNA, but different cell types express distinct proteins. Gene encodes proteins and proteins dictate the cellular functions. Thus, thousands of genes expressed in a particular cell determine what that cell can do.
