Unit 5 Test Review - Scientists, DNA Structure, & DNA Rep.

Which scientist discovered DNA by studying white blood cells in pus soaked bandages?

• Johannes Meischer

• Rosalind Franklin

• Watson & Crick

• Erwin Chargaff

Which scientist developed the base pairing rules of DNA?

• Johannes Meischer

• Rosalind Franklin

• Watson & Crick

• Erwin Chargaff

Which scientist discovered the structure of DNA by studying X-ray images of DNA?

• Johannes Meischer

• Rosalind Franklin

• Watson & Crick

• Erwin Chargaff

Which scientists developed the first 3D model of DNA?

• Johannes Meischer

• Rosalind Franklin

• Watson & Crick

• Erwin Chargaff

Rosalind Franklin developed an image of DNA called photo 51. What was the importance of this image?

• It shows that DNA is a double helix

• It shows that DNA is a single helix

• It shows that the bases face outward on the strand

• It shows that DNA is held together by peptide bonds

Tags

NGSS.HS-LS1-1

What does DNA stand for?

• Ribonucleic Acid

• Deoxyribonucleic Acid

What are the monomers (building blocks) of DNA?

• Nucleotides

• Monosaccharides

• Amino Acids

• Fatty Acids

Label the parts of the nucleotide

• A: Phosphate

  B: Sugar

  C: Base

• A: Sugar

  B: Phosphate

  C: Base

• A: Sugar

  B: Base

  C: Phosphate

• A: Base

  B: Sugar

  C: Phosphate

Tags

NGSS.HS-LS1-1

The circled part of this image represents the

• sugar phosphate backbone

• base pairing

• hydrogen bonding

• peptide bonding

Tags

NGSS.HS-LS1-1

What type of bonds holds the DNA bases together?

• Hydrogen

• Peptide

• Carbon

• Ionic

Tags

NGSS.HS-LS1-1