Which structure is the arrow pointing to?

What is the function of this organelle?

45 points how are people today being protected from tsunamis? earthquake data is analyzed to detemrine if a tsunami is likely, and if so, warnings are sent out. areas in tsunami risk zones are no longer heavily populated. radar is used to measure wave heights regularly. meteorologists study the winds to determine if wave heights will be large.

30 points ! can someone classify this for me their kingdom,phylum,class order,domain,family,genus and species ? 1.rosales 2.eurarya 3.rosaceae 4.cania 5.plantae 6.magnoliopsida 7.rosa 8.magnoliophyta

What is the primary function of dna polymerase i in bacterial cells?