What macromolecule is used to speed up chemical reactions?

Four types of motile cells in human body?

What conclusion can be made based on the temperature of soil when the light hits the soil at 0°, 45°, and 90° angles in section 2 of the experiment? did your results support your hypothesis? why or why not?

In the ocean why are the greatest amount of primary producers found in the epipelagic zone and how does that affect biodiversity