All of the above i think.
        
                    
             
        
        
        
Carbon is an integral part of many biological processes. Living things use carbon throughout their system. Plants need carbon to go through photosynthesis. People give off carbon through cellular respiration. Hope this was somewhat helpful
        
             
        
        
        
Answer:
B
Explanation:
The cell membrane is like a gate around the cell, it only lets certain substances come in and out of the cell.
 
        
             
        
        
        
Mitochondria use oxygen to make ATP in a process called oxidative phosphorylation. Mitochondrion are found in most eukaryotic cells which are cells that make up plants, animals and fungi.
        
             
        
        
        
Answer:
selective permeability
Explanation:
The property or characteristic of cellular membrane to allow certain substances to pass through the cell is known as selective permeability. The movement of molecules and ions across the cell can be active or passive.