How are cells affected by diabetes?

What would happen to the nutrients in an ecosystem if decomposers, such as bacteria, didn’t exist there?

Which of the following systems in absorbing oxygen and releases carbon dioxide

According to theories of how life began, how did early organic molecules begin to separate from the outside world? a: specialized enzymes were required b: chains of amino acids created a barrier c: formation of microspheres or vesicles d: rna catalyzed the formation of membranes