Which structure is responsible for the absorption of nutrients from food?

The diagram shows the layers of earth. convection currents in which region influence the movement of tectonic plates

Areal dna molecule consists of thousands of these pairs of nucleotides. what is the pairing arrangement of the nitrogen bases

In an hydrogen ion pump the energy is used to join small molecules together to make larger ones which factor most likely has the greatest effect on the number of molecules mitochondria can produce