Rhizobium are helpful to a plant because. A.) They provide glucose for the plant.

B.) They help the plant photosynthesize.

C.) They deliver usable nitrogen to the plant's roots.

D.) They can convert atmospheric carbon dioxide into a usable form for
photosynthesis.

Which of the following is not a defining characteristic of plants?

Students in biology are studying the macromolecules of life. they used a calorimeter to determine the calories in various types of food. once the lab was completed, the students ate the left over food samples. monica commented that in just 6 or 7 "chews" of the saltine, it was gone; nothing but a sticky paste in her mouth. elaborate on what happened chemically while chewing the saltine. include the macromolecules present.

What controls activities within a eukaryotic cell?