<span>150-200 species of plant, insect, bird and mammal become extinct every 24 hours., according to the Scientist Estimate. </span>
        
             
        
        
        
The answer is b, chloroplast.
        
             
        
        
        
Answer:
C) Prevent chromosome from separating.
Explanation:
Cytoskeletons can be called as movers and shapers of the cell. It is protein filament in the cell or the inter cellular proteins. The smallest part of a cytoskeleton is microfilament (7nm).  Cytoskeletons control the interior workups of a cell. Cytoskeletons extended through cytoplasm. 
 
        
             
        
        
        
There are 46 atoms of hydrogen inside the cholesterol.
The formula of cholesterol is C27H46O, meaning that besides hydrogen it contains 27 atoms of carbon and one atom of oxygen.
Cholesterol can be found in large concentrations within the liver, spinal cord, and brain providing the stability of the cell membranes.