Answer:
Chromatin is a substance within a chromosome consisting of DNA and protein. The DNA carries the cell's genetic instructions. The major proteins in chromatin are histones, which help package the DNA in a compact form that fits in the cell nucleus. Changes in chromatin structure are associated with DNA replication and gene expression.
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Answer:
Mitosis is the division of somatic cells in which the genetic content or number of chromosomes remain intact in daughter cells.
So the correct option is ' Eighteen'.
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Answer:
student 4 bcoz thymine is replaced by uracil in RNA
 
        
                    
             
        
        
        
Are you asking which cell is referred to as a sugar factory? That would be (in plant organisms) chloroplasts