Dear student

You have not to read in detail about HMP pathway or intermediate steps involved in it. It is not of your use and usually questions are not asked from this topic in NEET. You will just tensed by reading this topic in 12th class. You will study in details in biochemistry in MBBS first year. For your knowledge of I am writing significance of this pathway below:-

1. An intermediate erytbrose-P (4C) of this pathway is precursor of shikimic acid, which goes to synthesis of aromatic compounds and amino acids.
2. This cycle provides pentose sugars Ribose-P for synthesis of nucleotides, nucleosides, ATP and GTP.

            
                

                    




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3. A five carbon intermediate Ribulose-5-phosphate may used as CO2acceptor in green cells.
4. This pathway produces reducing power NADPH2for the various biosynthetic pathways, other than photosynthesis like fats synthesis, starch synthesis, hormone synthesis and chlorophyll synthesis.
5. Intermediates like PGAL and fructose-6-phosphate of this pathway may link with glycolytic reactions.
Hope this information helps you. 
Gud luck!!