A person will gain weight if he/she consumes food with more calories than he/she needs to provide the energy for body activities. Which explanation is correct? • The amount of ADP builds up in fat cells and muscle cells.
• Excess calories (energy) in the food are converted to fat molecules and stored in fat cells.
• Food molecules that are not needed for cellular respiration are converted to fat molecules and stored in fat cells.

1. a tropical dry forest carries out more rapid nutrient cycling

lesson summarykaryotypes a genome is the full set of all the genetic information that an organism carries in its dna. chromosomes arebundles of dna and protein found in the nucleus of a eukaryotic cell.

imagine a line passing through the center of earth that goes through both the north pole and the south pole. this imaginary line is called an axis. earth spins around its axis, just as a top spins around its spindle. this spinning movement is called earth's rotation. at the same time that the earth spins on its axis, it also orbits, or revolves around the sun. this movement is called revolution.