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Bell metal is an alloy. Give reasons....

Bell metal is an alloy. Give reasons.

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MODERN PUBLICATION-BIOMOLECULES-EXERCISE
  1. Heart attacks can be checked by using the enzyme .....

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  2. Write chemical name of Vitamin B2.

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  3. Bell metal is an alloy. Give reasons.

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  4. The two strands of the double helix of DNA are held together at defini...

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  5. Most of the naturally occurring .............. have D-configuration wh...

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  6. Starch is hydrolysed by enzyme ............ to maltose.

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  7. In RNA, the sugar is ............. and in DNA, the sugar is .............

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  8. What is denaturation of proteins ?

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  9. A mixture of 80% of copper and 20% of tin makes an alloy. Give explana...

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  10. Choose the correct alternative

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  11. DNA/RNA controls the transmission of hereditary effects.

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  12. The chemical name of vitamin B2 is riboflavin/ cyanocobalamin.

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  13. The disease xerophthalmia is caused by deficiency of vitamin D/vitamin...

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  14. Leucine/aspartic acid is essential amino acid.

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  15. The acidic character of glycine is due to ......... group.

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  16. Pairing of thymine with adenine occurs through three/ two hydrogen bon...

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  17. DNA is present in:

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  18. Not the relationship between the first two words and suggest a suitabl...

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  19. The conversion of sucrose to glucose and fructose is carried out by am...

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  20. Chemically denaturation does not change the primary structure of prote...

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