Which of the following events is a part of the light reaction of photosynthesis ?
a - production of carbohydrates
b - splitting up of the water molecules
c - release of the carbon dioxide.

Sexual reproduction in the parent cell will result in offspring with a) identical genetic information. b) half the genetic information. c) double the genetic information. d) four times the genetic information.

When plants use sunlight to make food, the energy of sunlight is

What do isotopes of uranium have the same number of? what do they have a different number of? a) same number of protons; different number of electrons b) same number of protons; different number of neutrons c) same number of electrons; different number of protons d) same number of neutrons; different number of protons