Answer: D: Thylakoids
Explanation: 
Thylakoids - A flattened, membranous sac inside a chloroplast. They often exist in stacks called grana that are interconnected; their membranes contain molecular "machinery" used to convert light energy to chemical energy.
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Answer:
C
Explanation: 
Semiconservative replication means that strand will also be used. (Pretty sure)
 
        
             
        
        
        
Answer: i think the force will be a little smaller and the other force pulling left will be 0 
Explanation:
 
        
             
        
        
        
Prokaryotes do not contain membrane, and eukaryotes do contain membrane.