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Worksheets

DNA Scientists

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

Built models to determine that DNA was a double helix shape with base pairs A-T and G-C in rungs between the sugar/phosphate backbone of DNA.

a)

Watson & Crick

b)

Franklin

c)

Wilkins

d)

Pauling

e)

Chargaff

2.

Worked on DNA imaging techniques and published Franklin's x-ray crystallography image of DNA

a)

Watson & Crick

b)

Franklin

c)

Wilkins

d)

Pauling

e)

Chargaff

3.

Provided clear x-ray crystallography images of DNA

a)

Watson & Crick

b)

Franklin

c)

Wilkins

d)

Pauling

e)

Chargaff

4.

One of the first scientists to use x-ray crystallography to observe DNA, hypothesized that there was a helix shape

a)

Watson & Crick

b)

Franklin

c)

Wilkins

d)

Pauling

e)

Chargaff

5.

Discovered that there was the same amount of A and T in a cell, and C and G in a cell.

a)

Watson & Crick

b)

Franklin

c)

Wilkins

d)

Pauling

e)

Chargaff

6.

Using x-ray diffraction to determine the structure of a crystal, such as DNA

a)

x-ray crystallography

b)

gas chromatography

c)

chromatography

d)

gel electrophoresis

7.

A pair of parallel strands that twist together about an axis

a)

nucleotide

b)

double helix

c)

base pair

d)

esther bonds

8.

basic structural unit of DNA. Examples: adenine, guanine, cytosine, thymine

a)

nucleotide

b)

phosphate

c)

ribose sugar

d)

enzyme

9.

5 carbon sugars and phosphates linked together through chemical bonds to provide the structural framework for nucleotides

a)

chromosome

b)

nucleotide

c)

phosphate-sugar backbone

d)

enzyme

10.

Base pairs (correctly matched)

a)

A-G and C-T

b)

A-C and G-T

c)

A-T and G-C

d)

C-A and T-G

11.

made up of a long strand of DNA that is bonded to proteins in a way that makes them condense/fold to form chromosomes

a)

genetics

b)

chromosome

c)

proteins

d)

DNA

12.

a piece of a chromosome that is composed of specific nucleotide sequences of DNA

a)

chromatid

b)

nucleotide

c)

gene

d)

circular DNA

13.

deoxyribonucleic acid: the molecule that contains the basic instructions for life.

a)

gene

b)

chromosome

c)

DNA

d)

nucleotide

14.

REVIEW: when cells take in oxygen and glucose and convert them into water, carbon dioxide, and ATP energy

a)

DNA synthesis

b)

cellular respiration

c)

breathing

d)

photosynthesis

15.

REVIEW: The property of water that allows for plants to carry water from the soil, through roots and stems, to leaves

a)

pH (neutral, acidic, basic)

b)

hydrogen bonding (adhesion, cohesion)

c)

polarity (soluble, insoluble)

d)

temperature (high heat capacity, solid water's density)