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DNA History Daily

Authored by Mitch Wagner

Biology

9th - 12th Grade

NGSS covered

Used 9+ times

DNA History Daily
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17 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

In 1928, when Frederick Griffith mixed a harmless R strain of pneumococcal bacteria with a heat killed deadly R strain and injected a mouse, he expected the mouse to die due to the belief that dead bacteria could give their deadly traits to living bacteria.

True

False

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Which of the following enzymes destroys a specific type of molecule?

Protease

RNAse

DNAse

All options

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

In 1944, when Oswald Avery injected a mouse with the mixture of bacteria strains that Griffith used which was treated with a molecule destroying enzyme, which treatment was expected to keep the mouse alive? It was believed at the time that proteins contained the genetic code.

Protease

RNAse

DNAse

None of the options

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Proteins are made with the element sulfur and DNA is made with phosphorus. If DNA is the molecule being passed on by viruses to carry their genetic instructions, which radioactive element should Alfred Hershey and Marty Chase expect to see in a second generation of viruses in their 1952 experiment?

Sulfur

Phosphorus

Both

Neither

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Discovered in 1950, Chargaff’s Rule for the structure of DNA states

There are more purines than pyrimidines

There are more pyrimidines than purines

There are equal amounts of purines and pyrimidines

There are only purines

6.

MULTIPLE SELECT QUESTION

15 mins • 3 pts

In the early 1950s, Rosalind Franklin used x-ray crystallography to discover which of the following?

Dimension of the DNA strand

Phosphates on the outside

The shape is a helix

The exact chemical structure

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

In 1953, James Watson and Francis Crick used Rosalind Franklin’s image of the structure of DNA to build the first exact model of the atomic structure of DNA.

True

False

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