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Who proposed the double-helical model of...

Who proposed the double-helical model of DNA? Why are the two strands of DNA described as antiparallel?

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ASSAM ACADEMIC CENTRE-BIO-MOLECULES-EXAMPLE
  1. What are polysaccharides? Give two examples.

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  2. Give reason as to why starch is stained blue with lodin, but cellulose...

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  3. Who proposed the double-helical model of DNA? Why are the two strands ...

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  4. How do metal ions influence the action of enzymes? Give an example.

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  5. Living state and metabolism are synonyms. Justify.

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  6. Name the group of organisms whose enzymes show thermal stability upto ...

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  7. The rate of a chemical reaction.

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  8. Bring out the differences between ligases and lyases.

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  9. What is meant by Km value in enzyme reaction? What does it indicate?

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  10. The concentration of a substrate is allowed to increase continuously. ...

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  11. What are cofactors for enzymes? Name any two types of cofactors.

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  12. How is chemical analysis of organic compounds in a living tissue carri...

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  13. What is phospholipid? Name an example.

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  14. Differentiate between saturated and unsaturated fatty acids. Give one ...

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  15. Explain the terms monoglyceride, diglyceride and triglyceride.

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  16. What are nucleosides? Name the four of them, which occur in RNA.

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  17. Bring out the differences between primary and secondary metabolites. N...

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  18. Name the two types of chemical compounds (biomolecules) present in the...

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  19. Describe the quaternary structure of proteins. Give an example.

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  20. What is meant by dehydration reaction? Give two examples of such compo...

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