Structure of DNA

What does DNA stand for?

• Deoxyribonucleic acid
• Denitrogenous acid
• Deribonucleic acid
• Diribonucleic acid

Which organelle is DNA usually found in?

• cell membrane
• vacuole
• ribosome
• nucleus

Which of the following best describes a DNA molecule?

• double helix
• contains ribose
• made of amino acids
• contains Uracil

What are the 4 nitrogen bases?

• adenine, thymine, cytoplasm, and guanine
• adenine, thymine cytosine, and guanine
• adenine, thymine, cytosine, and gylcerol
• adenine, thymine, cytosine, and glucose

Which 2 molecules forms the sides (backbone) of the DNA ladder?

• deoxyribose and adenine
• deoxyribose and a hydrogen bond
• sugar and the nucleus
• deoxyribose (sugar) and phosphate

Which two scientists are accredited with correctly deducing the double helix model of DNA?

• Watson and Crick
• Wilkins and Franklin
• Wilkins and Crick
• Watson and Franklin

Which of the following is not found in DNA?

• Thymine

• Guanine

• Uracil

• Cytosine

adenine, guanine, cytosine, and thymine are known as

• sugars
• phosphates
• lipids
• nitrogen bases

In DNA, Adenine bonds with ______________.

• Guanine
• Thymine
• Cytosine
• Adenine

Guanine bonds with ______________.

• Adenine
• Guanine
• Cytosine
• Thymine