Photosynthesis -. Part I: The Sun and Light. Not all of the light from the Sun makes it to the surface of the Earth. Even the light that does make it here is reflected and spread out. The little light that does make it here is enough for the plants of the world to survive and go through the process of photosynthesis. Light is actually energy, electromagnetic energy to be exact. When that energy gets to a green plant, all sorts of reactions can take place to store energy in the form of sugar molecules.
For your GCSE Science exams, you need to be able to compare the differences between different types of cells.1  Education. 2  Standard YouTube License.or your GCSE Science exams, you need to be able to compare the differences between different types of cells. 1  Education.
1 Lymphocytes-After neutrophils, lymphocytes are the most common type of white blood cell. 2  These cells are spherical in shape with large nuclei and very little cytoplasm. 3  There are three main types of lymphocytes: T cells, B cells, and natural killer cells. Lymphocytes-After neutrophils, lymphocytes are the most common type of white blood cell. 2  These cells are spherical in shape with large nuclei and very little cytoplasm. 3  There are three main types of lymphocytes: T cells, B cells, and natural killer cells.