7 IS 4.1

In Rosalind Franklin's experiment, what did the X-rays do to the atoms in the DNA?

• Heated them

• Bounced off them

• Froze them

• Melted them

Tags

NGSS.HS-PS4-3

NGSS.HS-PS4-4

What form of DNA did Franklin make an image of?

• Solid form

• Liquid form

• Wet form

• Gas form

What is the structure of DNA often compared to?

• A straight line

• A twisted ladder

• A flat sheet

• A solid cube

Who published the structure of DNA in 1953?

• Albert Einstein and Niels Bohr

• James Watson and Francis Crick

• Marie Curie and Rosalind Franklin

• Isaac Newton and Galileo Galilei

What does DNA contain that is crucial for cells?

• Water molecules

• Genetic information

• Oxygen

• Carbon dioxide

Tags

NGSS.HS-LS1-1

What two things are chromosomes made of?

• Water and salt

• DNA and proteins

• Sugar and starch

• Lipids and carbohydrates

Tags

NGSS.HS-LS3-1

What is the twisted ladder structure of DNA also known as?

• Single helix

• Double helix

• Triple helix

• Quadruple helix

What are the sides of the DNA double helix made of?

• Lipids and proteins

• Sugar and phosphate molecules

• Water and salt

• Carbon and hydrogen

What are the rungs of DNA made of?

• Lipids

• Nitrogen bases

• Proteins

• Carbohydrates

Name the four nitrogen bases of DNA (full names of the bases).

• Adenine

• Guanine

• Cytosine

• Thymine