DNA structure & discovery

The scientists who created an accurate model of the DNA double helix and won a Nobel Prize for this discovery

• Watson & Crick
• Watson, Crick, and Wilkins
• Wilkins & Crick
• Watson, Crick, Wilkins, and Franklin

Which of the following best describes a DNA molecule?

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

Tags

NGSS.HS-LS1-1

Which of the following units are repeatedly joined together to form a strand of DNA?

• amino acids
• nucleotides
• fatty acids
• polysaccharides

What are the three components of a nucleotide?

• ribose (Sugar), hydrogen, nitrogen base

• deoxyribose (sugar), oxygen, nitrogen base

• deoxyribose (sugar), phosphate, nitrogen base

• ribose (sugar), phosphate, proteing

Which of the following is a base that is NOT contained in DNA?

• Adenine
• Thymine
• Uracil
• Guanine

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

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

If there is 37% guanine how much cytosine is there?

• 77%
• 47%
• 37%
• 57%

What does DNA stand for?

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

How did Rosalind Franklin's photo 51 affect the work of Watson and Crick?

• It was used to determine the physical structure of DNA
• It was used to identify the four bases that make up DNA
• It was used to determine the theory of independent assortment
• It was used to show DNA was the molecule of inheritance

Tags

NGSS.HS-LS1-1

Franklin used x-ray crystallography to determine the shape of the DNA molecule is

• a cloverleaf
• a braided rope
• a pleated sheet
• a twisted ladder

Tags

NGSS.HS-LS1-1