Answer:
phosophlipids containing a phosophate and 2 fatty acid chains connected by a glycerol molecule. 
Explanation:
 
        
             
        
        
        
Chromosome defect lot of became syndrome. 
it's lot of cause
        
             
        
        
        
Kindly see answers below:
1.	operon is not transcribe•	b.) lac operon: lactose absent•	e.) trp operon: tryptophan present2.	operon is transcribed, but not sped up by the positive control•	a.) trp operon: tryphophan absent•	d.) lac operon: lactose present, glucose present3.	operon is transcribed quicklu through positive control•	c.) lac operon: lactose present, glocuse absent