Discovery of DNA Structure

What are chromosomes made of?

• Proteins

• DNA

• Lipids

• Carbohydrates

Where are genes found?

• Nucleus

• Cytoplasm

• Mitochondria

• Cell membrane

What is the structure of DNA?

• Double helix

• Triple helix

• Single strand

• Circular

Why was Oswald Avery's work significant to Watson and Crick?

• He discovered the structure of DNA

• He determined the function of DNA

• He showed that DNA carries genetic information

• He developed x-ray crystallography

Why was x-ray crystallography used to determine the structure of DNA?

• To measure the size of DNA molecules

• To determine the location of atoms within DNA

• To analyze the chemical composition of DNA

• To observe the movement of DNA molecules

Why is collaboration an important aspect of scientific discovery?

• It allows scientists to share resources

• It increases the chances of success

• It promotes diverse perspectives

• All of the above

Why is failure an important aspect of scientific discovery?

• It helps scientists learn from their mistakes

• It encourages creativity and innovation

• It leads to new insights and discoveries

• All of the above

What is the structure of DNA?

• A polymer of nucleotide monomers

• A chain of amino acids

• A network of lipids

• A cluster of carbohydrates

What were the key pieces of evidence that led Watson and Crick to determine the structure of DNA?

• The structure of nucleotides

• Chargaff's base-pairing ratios

• X-ray diffraction images

• All of the above

How does DNA's structure explain the stability of life?

• It allows for accurate replication of genetic information

• It provides a template for protein synthesis

• It regulates gene expression

• It enables DNA repair mechanisms