The ability of certain specifically shaped molecules to attach to a cell is primarily determined by the... 1. Receptor molecules in the cell membrane
2. Amount of DNA in a cell
3. The cytoplasm of the cell
4. Concentration of salts outside the cell

How does a gymnosperm prevent itself from pollinating the same tree

Which of the following is the best definition for the process of photosynthesis? a.) plants digest sugars to make energy. b.) plants use oxygen and glucose to make carbon dioxide. c.) plants use sunlight and carbon dioxide to make sugars. d.) plants use sunlight to make chlorophyll and chloroplasts.

In which squares should the phrase "green pods" appear a) a and d b) b and e c)a,c, and d d)a,b,c,d and e