Molecular Biology

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Questions and Answers

Who first used the term 'molecular biology' in 1945?

  • Francis Crick
  • William Astbury (correct)
  • Rosalind Franklin
  • James Watson

Which branch of biology focuses on the chemical and physical structure of biological macromolecules?

  • Genetics
  • Molecular biology (correct)
  • Physiology
  • Ecology

Who proposed the double helix model of DNA in 1953?

  • James Watson
  • Francis Crick (correct)
  • Maurice Wilkins
  • Rosalind Franklin

What did the discovery of the DNA structure lead to?

<p>Discovery of DNA material in microorganisms, plants, and animals (A)</p> Signup and view all the answers

What is the main focus of molecular biology?

<p>Understanding the molecular basis of biological activity (D)</p> Signup and view all the answers

What is the definition of molecular biology?

<p>Study of chemical and physical structure of biological macromolecules.</p> Signup and view all the answers

When was the term 'molecular biology' first used?

<p>In 1945.</p> Signup and view all the answers

Who proposed the double helix model of DNA in 1953?

<p>Francis Crick, James Watson, Rosalind Franklin, and colleagues.</p> Signup and view all the answers

What did the discovery of the DNA structure lead to?

<p>The discovery of DNA material in other microorganisms, plants, and animals.</p> Signup and view all the answers

What is the main focus of molecular biology?

<p>To understand the molecular basis of biological activity in and between cells.</p> Signup and view all the answers

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