To be honest i really think that it is all of them
Well in my guessing your in 7th grade.The cell theory you have is completely correct. In the second question it is simply telling you to come to conclusion how the scientist came up with the theory. And if you have been doing research on the theory, use your notes that you have in order to do the project.
Cells build carbohydrate polymers<span> by using energy to form glycosidic linkages, the bonds between monosaccharides. A dehydration synthesis reaction forms a bond between carbon atoms in two monosaccharides, sandwiching an oxygen atom between them and releasing a water molecule</span>