Which organism is the most specialized

Why reason best illustrates why hershey and chase chose to use viruses in their experiment?

Which organelles are labeled d, and what is one feature that distinguishes them from the other labeled organelles chloroplasts the only organelles that produce sugars from sunlight mosomes, only found in animal and bacterial cells centricles only found in animal cells mitochondra, the only energo-generating structures found in cells

Based on the topographic map of mt. st. helens, what is the contour interval of the volcano about height is 2,950 m?