If a DNA DOUBLE HELIX IS 100 nucleotide pairs long and contains 25 adenine bases how many guanine bases does it contain?

The fruit of a certain plant is sweet and fleshy. the seeds of this plant have a seed coat that is fairly tough. the seeds germinate better if they are exposed to acid, or scarification. what is the most likely type of dispersal for this seed? water animal wind

How energy flows through each level in this energy pyramid. is all the matter and energy from one level transferred to the next level?

How do the evolutionary chart and the video support the claim that all living things are made up of cells?