Answer:
Here, took me some time ;)
Explanation:
 
        
             
        
        
        
Answer:
when G1/S cyclin-CDK is activated. Expression of G1/S cyclins is regulated by E2F proteins 
Explanation:
I've found this on Google 
Commitment to cell division occurs at Start when G1/S cyclin-CDK is activated. Expression of G1/S cyclins is regulated by E2F proteins in conjunction with pRB proteins.. Mitogens stimulated cell division by increasing the amount of G1 cyclins.
 
        
                    
             
        
        
        
Answer:
D
Explanation:
Asexual reproduction (requiring one parent) forms exact copies of the parent cell. The type of cell division that produces exact copies is mitosis. Therefore the answer is D. 
  
        
                    
             
        
        
        
Answer:
We live in the Phanerozoic EON
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Answer:
Increasing the number of trusses increases the strength of the bridge.
Explanation:
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