Scientists of DNA
DNA Structure
DNA Replication
DNA in pictures
100

This scientist studied pea plants and proposed that traits are passed as discrete units.

Who is Gregor Mendel

100

The repeating subunit (monomer) that makes up DNA.

What is a nucleotide?

100

The phase of the cell cycle when DNA is copied.

What is the S phase?

100

Theis scientist was able to use image crystallography to capture the first image of the Double helix

who is Rosalind Franklin?

200

This scientist discovered the “transforming principle” using smooth and rough bacteria in mice.

FWho is Fredrick Griffith 

200

The three parts of a DNA nucleotide.

What are a phosphate group, deoxyribose sugar, and a nitrogenous base?

200

The enzyme that “unzips” DNA by breaking hydrogen bonds.

What is helicase?


200

An organism that infects bacteria 

What is a Bacteriophage?

300

This scientist provided evidence that DNA—not protein—was the transforming principle.

Who is Oswald Avery

300

These two bases always pair together using double bond in DNA.

What are adenine and thymine?


300

The enzyme that adds new DNA nucleotides to the growing strand.

What is DNA polymerase?

300

What is structure C

What is a nitrogen base?

400

These two scientists used radioactive sulfur and phosphorus to prove DNA enters bacterial cells.

Who are Alfred Hershey and Martha Chase?

400

The type of bond that holds complementary bases together in the center of the DNA molecule.

What are hydrogen bonds?

400

The type of replication where each new DNA molecule contains one old strand and one new strand.

What is semiconservative replication?

400

What is the shape of this molecule?

What isa double helix?

500

This scientist produced X-ray images that showed DNA had a helical shape.

Who is Rosalind Franklin?

500

The shape of DNA described as a twisted ladder.

What is a double helix?

500

This strand of DNA that is copied in short fragments discontinuously.

What is the lagging strand?

500

What is the blue structure

What is Helicase?

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