Section 13.2 Text

In RNA, the sugar is ribose, but in DNA, the sugar is ________.

• Ribose

• Glucose

• Deoxyribose

• Fructose

Rosalind Franklin's X-ray diffraction photograph, known as photo 51, indicated that the structure of DNA is ________.

• Linear

• Helical

• Circular

• Square

What shape is the DNA structure known as, according to the X-ray pattern?

• Circle

• Helix

• Square

• Triangle

What did Watson and Crick use to build their models of DNA?

• Wood and metal

• Plastic and glass

• Cardboard and wire

• Stone and clay

Fill in the blank: The discovery of DNA's structure is considered a milestone in the field of _____.

• Genetics

• Chemistry

• Physics

• Astronomy

Tags

NGSS.HS-LS1-1

What was the main focus of Watson and Crick's research?

• DNA structure

• Protein synthesis

• Cell division

• Genetic mutations

Tags

NGSS.HS-LS1-1

What does the structure of the DNA double helix resemble?

• A twisted ladder

• A straight line

• A spiral staircase

• A flat sheet

How are the two strands of DNA in the double-helix model oriented?

• Parallel

• Antiparallel

• Perpendicular

• Random

The double-helix model hinted at how DNA can function as a carrier of ______.

• Water

• Genetic information

• Proteins

• Lipids

Tags

NGSS.HS-LS1-1

What is one of the most important aspects of the double-helix model?

• Its color

• Its size

• Antiparallel strands

• Its weight.