DNA (components)

What is the bond between nitrogen bases?

• Carbon

• Nitrogen

• Hydrogen

• Oxygen

In DNA only, Adenine always pairs with:

• Thymine

• Cytosine

• Uracil

• Guanine

The shape of DNA is called:

• Helix

• Double helix

• Triple helix

• Ladder

What is the monomer of DNA?

• Amino acid

• Glucose

• Fatty acid

• Nucleotide

What are the three parts of a nucleotide? Select all that apply

• Adenine

• hydrogen bond

• Sugar

• Phosphate

• Nitrogen Base

Who took the first picture of DNA?

• Rosalind Franklin

• James Crick

• John Watson

• Maurice Wilkins

Which part of the DNA nucleotide makes up the "backbone" of DNA?

• Sugar (Deoxyribose)

• Nitrogen base

• Sugar (deoxyribose) and Phosphate

• Nitrogen base and Phosphate

Which bases are purines? Select two answers

• Cytosine

• Thymine

• Guanine

• Adenine

• Uracil

What part of the DNA molecules carries the code for specific traits?

• The sequence of nitrogen bases

• Sugar-phosphate backbone

• "Sides" of the ladder

• The phosphate

Tags

NGSS.HS-LS3-1

Which bases are pyrimidines? Select all that apply

• Cytosine

• Thymine

• Guanine

• Adenine

• Uracil