Shape of DNA

The shape of the DNA molecule is a double __________________?

• S

• helix

• rope

• curve

Rosalind Franklin's "photo 51" was critical in helping Watson and Crick to discover what?

• The double helix structure of DNA

• X-Ray crystalography was a technology worth looking in to. 

• That stealing is a great way to get ahead in life

• That there could possibly be life on other planets. 

Tags

NGSS.HS-LS1-1

The drawing shows the structure of what molecule?

• DNA molecule

• lipid molecule

• carbohydrate molecule

• protein molecule

Tags

NGSS.HS-LS1-1

The shape of DNA looks like a twisted ladder, known as

• helicase

• a double helix

• a triple helix

Match the letter to the part.

a

b

c

d

e

Hydrogen Bonds

Deoxyribose Sugar

Nitrogen Bases (2)

Phosphate

Covalent Bond

Tags

112.42.c.7.A

The structure of DNA is best described as a:

• A) Single helix

• B) Double helix

• C) Triple helix

• D) Quadruple helix

Which of the following scientists is credited with discovering the double helix structure of DNA?

• A) Albert Einstein

• B) Isaac Newton

• C) James Watson and Francis Crick

• D) Charles Darwin

The two strands of DNA are held together by:

• A) Covalent bonds

• B) Ionic bonds

• C) Hydrogen bonds

• D) Metallic bonds

In the DNA double helix, the two strands run:

• A) Parallel

• B) Antiparallel

• C) Perpendicular

• D) Convergent

The backbone of the DNA structure is made up of:

• A) Amino acids

• B) Lipids

• C) Sugar and phosphate

• D) Proteins