Protects cells made of cellulose allows materials in and out

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.

What is the role of dna ligase in the elongation of the lagging strand during dna replication?

There are only about 250,000 known fossil species. true or false