DNA History and Structure

What letter represents a purine?

• W

• X

• Y

• Z

Which color base represents thymine?

• dark green

• light green

• orange

• yellow

What carbon can form a bond with another nucleotide?

• ^2'

• 3^'

• 4^,

• 5^'

How many hydrogen bonds form between cytosine and guanine?

• 1

• 2

• 3

• 4

What type of bond does letter Y represent?

• glycosidic bond

• hydrogen bond

• peptide bond

• phospodiester bond

Tags

NGSS.HS-PS1-4

What carbon forms a phosphodiester bond with a phosphate group?

• 1'

• ^3'

• 5'

• 6'

What base is the orange nucleotide?

• adenine

• cytosine

• guanine

• thymine

Which two bases are pyrimidines?

• adenine and thymine

• adenine and guanine

• cytosine and guanine

• cytosine and thymine

The work of which scientist(s) determined that DNA is the hereditary material instead of proteins?

• Chargaff

• Griffith

• Hershey and Chase

• Franklin

Which is NOT a component of a DNA nucleotide?

• phosphate group

• deoxyribose

• nitrogenous base

• amino acid