What does a cell have to do to move a substance from an area of low concentration to an area with high concentration

The questions below will determine which restriction enzyme should be used to make a plasmid that contains both an intact vgp gene and a functional ampr gene. answer questions 1–4 by selecting from the answer choices on the left. drag the correct answer to the right of each question.

Previous pagenext pagepage 3 ofquestion 3 (1 point)which of the following consist of cells that do not have a nucleus? of the above

Which of the following is true of photosynthesis? a)carbon dioxide is a reactant b)water is a product c)most reactions within this process are exothermic d)oxygen is a reactant