Exploring the Secrets of DNA

What is the molecule that carries all of the evolutionary history along its length?

• Carbohydrate

• DNA

• Protein

• RNA

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Who were the scientists that discovered the double helix structure of DNA?

• Albert Einstein and Niels Bohr

• Gregor Mendel and Charles Darwin

• Rosalind Franklin and Maurice Wilkins

• James Watson and Francis Crick

What are the four chemical building blocks of the DNA molecule?

• A, T, G, U

• A, C, G, T

• A, U, G, C

• A, B, C, D

What is the name of the enzyme that unwinds the DNA double helix during replication?

• Helicase

• Topoisomerase

• Ligase

• Polymerase

How accurate is the DNA copying process in our bodies?

• One mistake in a million

• One mistake in a trillion

• One mistake in a billion

• One mistake in a thousand

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What is a gene?

• A length of DNA that carries instructions to make a protein

• A type of protein

• A segment of RNA

• A cellular organelle

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What is the process called where DNA is copied into RNA?

• Replication

• Transcription

• Translation

• Translocation

What disease is caused by a single code letter difference in the DNA?

• Cystic fibrosis

• Hemophilia

• Sickle cell anemia

• Huntington's disease

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What was the main goal of the Human Genome Project?

• To find a cure for cancer

• To sequence the entire human genome

• To create genetically modified organisms

• To study the effects of DNA mutations

What percentage of genes do humans share with fruit flies?

• 50%

• 61%

• 75%

• 90%

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