An etiologist is investigating a new disease and observes what appear to be bacteria inside tissue cells in clinical samples from victims. what is the first thing he has to do to try to identify the causative agent of the infectious disease?

What statements describe a host organism?

What is the process of a new plant growing from its seed into a seedling? primary growth fertilization pollination germination

Part a - which gene to compare? in this exercise, you will use the cytochrome c oxidase i (coi) gene to investigate relationships among salmon species. (this gene encodes a protein that functions in the mitochondrial electron transport chain.) you will compare the coi gene sequences from your salmon test samples to the standard sequences for each salmon species. in order for the coi gene to be useful for distinguishing among the different salmon species, which three statements must be true?