To determine if a particular plant is homozygous or heterozygous, you would have to test cross with a to make the check.
homozygous recessive
heterozygous dominant
homozygous dominant
purebred

Which statement is the best summary of the model? a-a series of aerobic and anaerobic reactions take place in cells b- the sun's energy moves through trophic levels in a food chain c-light energy is converted into stored chemical energy plants.d- food molecules are broken down in the cells if living things.

Do the following statements describe actin, myosin, both of the proteins or neither of the proteins? (a) contains a binding site for calcium (b) found in the i band (c) exists in a globular (g) form and a filamentous (f) form (d) contains a binding site for atp (e) is a component of the thin filament (f) is a component of the thick filament

What happens when a scientific theory is shown to be an accurate description of a phenomenon?