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DNA Structure and Story

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

How many strands does the DNA have?

a)

Two

b)

Three

c)

One

d)

Four

2.

The DNA bases pair up ____ with ____ and _____ with _____.

(a)  

3.

What is a gene?

a)

A gene is two molecules of DNA with a unique sequence of bases

b)

A gene is a strand of DNA with a unique sequence of bases

c)

A gene is a strand of protein with a unique sequence of bases

d)

A gene is a fragment of DNA with a unique sequence of bases

4.

The image shows Photo 51, shot in 1952. Who took it and which technique did they use?

a)

James Watson and Francis Crick, using chromatography.

b)

Rosalind Franklin and Raymond Gosling, using X-ray diffraction.

c)

Maurice Wilkins and Rosalind Franklin, using X-ray diffraction.

d)

Rosalind Franklin and Raymond Gosling, using Instagram filters.

5.

Who were the first scientists to obtain photographs of the DNA molecule?

a)

James Watson and Francis Crick

b)

Maurice Wilkins and Rosalind Franklin

c)

Maurice Wilkins and Raymond Gosling

d)

Rosalind Franklin and Raymond Gosling

6.

Who built the first correct model of the DNA molecule after inputs of Rosalind Franklin?

a)

Rosalind Franklin and James Watson

b)

James Watson and Francis Crick

c)

James Watson and Raymond Gosling

d)

Francis Crick and Maurice Wilkins

7.

How do we phrase the Central Dogma of Biology that Francis Crick described in 1955?

a)

Information stored in the DNA code is transmitted to the cell using RNA, which builds a specific protein.

b)

Information stored in the proteins is transmitted to the cell using DNA, which builds a specific RNA.

c)

Information stored in the RNA code is transmitted to the cell using DNA, which builds a specific protein.

d)

Information stored in the DNA code is transmitted to the cell using protein, which builds a specific RNA.

8.

Friedrich Miescher discovered the "nuclein" in 1869, studying pus. What nuclein turned out to be?

a)

Protein

b)

Carbohydrates

c)

DNA

d)

RNA

9.

Which scientist first described a set of laws for the mechanism of inheritance of biological characteristics?

a)

Maurice Wilkins

b)

Rosalind Franklin

c)

Friedrich Miescher

d)

Gregor Mendel

10.

What is the force that keeps the bases together in the DNA molecule?

a)

Duct tape

b)

Hydrogen bonds

c)

Covalent bonds

d)

Ionic bonds