Why is respiration important for living organisms?

What volume of a 0.25 m solution can be made using 0.55 moles of ca(oh)2

Use the phylogenetic tree to the right to determine which statement below is true. organisms a and f are not related. organism e is more closely related to organism b than organism f. organisms c and d are more closely related than organisms a and b. phylogenetic trees

What should be the strand of complementary dna produced by the strand of dna shown below cgt ata