Glycolysis is the first stage of cellular respiration producing atp. what is the net gain of atp molecules per molecule of glucose from glycolysis

In what for do plants utilize nitrogen? why do they need nitrogen?

Ivan is looking at a cross section of a stem taken from a vascular plant. he sees two different types of vascular tissue: the xylem, which is closer to the center of the stem, and the phloem, located around the xylem, closer to the outside of the stem. how do these two structures work together in a living plant?

1. which of the following transport mechanisms utilizes energy? a. osmosis b. diffusion c. facilitated diffusion d. endocytosis