1 point 8. Which one of the following would you use to separate sand from iron
filings?
a bar magnet
filter paper
chromatography paper
alum
of substances may best be separated

An easy way to calculate the amount of energy available at each level is to what?

Imagine you are introducing the lac operan and the trp operon to students who have never learned about it before. complete the table to compare the similarities and differences between the two operons

What is the most abundant vertebrate on earth?