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.............. and ........................

.............. and ....................... are purine nitrogenous bases.

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Adenine, guanine,
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MODERN PUBLICATION-BIOMOLECULES -QUICK MEMORY TEST (Complete the missing links )
  1. Fats are made of ................... and ............

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  2. .............. and ....................... are purine nitrogenous base...

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  3. .................... is cofactor in enzyme cytochrome oxidase,

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  4. A true fat with three molecules of fatty acids is called ....

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  5. Three pyrimidines are thymine, cytosine and .....

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  6. DNA has .............. instead of wracil.

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  7. rRNA is associated with ...

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  8. Keratin is a .... ............ protein

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  9. The carbohydrate molecule cellulose is a ................

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  10. The double helix model of DNA was proposed by ...................... a...

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  11. ......................and ................... are storage polysacchari...

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  12. When amino acid chain is arranged like a coil it is called is alpha .

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  13. Chitin is a polysaccharide found in the ..................... of crabs...

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  14. The kind of protein which can enhance the efficiency of a biochemical ...

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  15. The substances which stop or slow down the reaction are called .

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  16. A protein molecule has at least 200 to 300 ....................... lin...

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  17. The enzymes which break down proteins into amino acid molecules are ca...

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  18. When the enzymes with slightly different molecular structure can also ...

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  19. When the production of the cell is inhibited by its own metabolites, t...

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  20. Biochemical reactions are regulated by catalysts called ...........

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