DNA Structure and History

The structure of DNA was discovered in ____

• 1912

• 1953

• 1974

• 1986

Tags

NGSS.HS-LS1-1

Which of the following best describes a DNA molecule?

• double helix

• contains ribose

• made of amino acids

• contains Uracil

Tags

NGSS.HS-LS1-1

What does this image show?

• Double helical structure of DNA

• Triple Helical Structure of DNA

• Double helical structure of RNA

• Triple Helical Structure of RNA

DNA is an acronym for _____

• Diphosphorus Nucleic Acid

• Ribose Nucleic Acid

• Deoxyribonucleic Acid

• Deoxyribonucleic Acetate

A nucleotide is composed of

• A phosphate, sugar and nitrogenous base

• A protein, protein and Guanine

• A phosphate, Adenine, and nitrogenous base

• A protein, Adenine and nitrogenous base

Which of the following is a base pair?

• Adenine - Cytosine

• Cytosine - Thymine

• Deoxyribose - Cytosine

• Cytosine - Guanine

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

The "rungs" of the DNA ladder are made of

• phosphates and hydrogen

• glucose and sugars

• sugars and phosphates

• base pairs

The two men who established the structure of DNA were:

• Frederick and Alvers

• Watson and Crick

• Berkely and Fry

• Darwin and Lamarke

Adenine always pairs with:

• thymine

• cytosine

• guanine

• ribose