Who took X-ray photographs of the DNA molecule and discovered its double helix shape?

• Watson & Crick

• Franklin

• Washington

• Nye

The first 3D model of DNA was made by?

• James Watson and Francis Crick

• Rosalind Franklin

• Linus Pauling

• Maurice Wilkins

What does DNA stand for?

• Deoxyribonucleic acid

• Dynamic Network Analysis

• Digital Network Architecture

• Data Network Appliance

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What is the function of DNA in living cells?

• It contains the information needed for an organism to grow, maintain itself, and reproduce.

• It provides energy for cellular processes.

• It acts as a structural component of cell membranes.

• It transports oxygen throughout the body.

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What is the shape of DNA?

• Double helix

• Triple helix

• Single strand

• Circular

What are the sides of the DNA ladder made of?

• Sugar and phosphate

• Protein and lipid

• Carbohydrate and lipid

• Nucleotide and protein

What are the rungs of the DNA ladder made of?

• Nucleotides

• Proteins

• Lipids

• Carbohydrates

Which nucleotides are labeled in DNA?

• A, C, T, and G

• A, U, C, and G

• A, C, U, and T

• A, G, C, and U

What are the nucleotides in DNA called?

• Base pairs

• Amino acids

• Fatty acids

• Sugars

What are the components of the DNA backbone?

• A deoxyribose sugar and one phosphate group.

• A salt and one phosphate group.

• Glucose and one nitrogen group.

• A deoxyribose sugar and a water molecule.

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