The biochemical analysis of different chlorophyll pigments in plants would be most useful in determining… question 3 options:

The biochemical analysis of different chlorophyll pigments in plants would be most useful in determining -  which plants might have a common ancestor.

This field of biology is called comparative biochemistry. This field deals with study of evolutionary relationships between plants and other organisms.

the cytokine-activated janus kinase (jak)-signal transducer and activator of transcription (stat) pathway has an important role in the control of immune responses. dysregulation of jak-stat signaling is associated with various immune disorders.

he forelimbs below belong to four species that descended in a direct line from the ancestral mammal shown above. of the four descendants shown, which species most likely appeared earliest in evolutionary history?