DNA Structure and Function Concepts

Who is responsible for producing this image?

• Francis Crick
• James Watson
• Rosalind Franklin
• Watson and Crick

From his work with mice and pneumonia-causing bacteria, Frederick Griffith discovered what?

• Replication
• Transcription
• Transformation
• Translation

Tags

NGSS.HS-LS3-2

Which sugar is contained in DNA

• Dextrose
• Ribose
• Deoxyribose
• Glucose

In a molecule of double-stranded DNA, the amount of Adenine present is always equal to the amount of

• cytosine
• guanine
• thymine
• uracil

Guanine bonds with ______________.

• Adenine
• Guanine
• Cytosine
• Thymine

Watson and Crick were the first to suggest that DNA is _____

• a short molecule
• the shape of a double helix
• a protein molecule
• the genetic material

How did Rosalind Franklin's photo 51 affect the work of Watson and Crick?

• It was used to determine the physical structure of DNA
• It was used to identify the four bases that make up DNA
• It was used to determine the theory of independent assortment
• It was used to show DNA was the molecule of inheritance

The two strands of DNA are held together by what type of bond?

• Ionic
• Covelant
• Polar
• Hydrogen

Where is DNA located inside of cells?

• cell membrane

• vacuole

• chloroplast

• nucleus

Which 2 molecules form the sides (backbone) of the DNA ladder?

• deoxyribose sugar and adenine
• deoxyribose sugar and a hydrogen bond
• deoxyribose sugar and the nucleus
• deoxyribose sugar and phosphate