What is the role of bacterial proteins in dna cleavage

What best explains the inability for life to exist in earth early atmosphere

Amarine ecologist has constructed the conceptual model shown in the diagram. what predictions can be made from using this model? where the tertiary consumers get their energy how often primary producers are able to reproduce when bacteria and fungi initiate the process of decomposition whether other secondary consumers are present

Which substance contains thylakoids? a) nadph b)atp c)stroma d)chloroplast