What is the principles of cell theory? (3 principles)

Which element is used in photosynthesis found in atmosphere and fixed by bacteria?

Which blood cell spend most of their time in the lymphatic system?

Which sentence best describes the relationship between chlorophyll and the chloroplast? a.) chlorophyll is a chemical found in a chloroplast. b.) chloroplast is a chemical found in a chlorophyll. c.) both chlorophyll and chloroplasts are found in animals. d.) both chlorophyll and chloroplasts make carbon dioxide.