The density of an object with a mass of 27 g and a volume of 9 cm3 is?

How do cells grow and reproduce to maintain homeostasis?

Recombinant dna is the merging of dna from unrelated organisms to create new genetic varieties is assembled in the lab from mononucleotides was part of the green revolution of the 1960s is pollination of one plant by another of the same species is cross-pollination of one plant by a different species

This is an active transport mechanism by which cells pump sodium and potassium ions against the concentration gradient