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History Of DNA
Test Description: Answer the questions and take notes for the quiz.
Instructions: Answer all questions to get your test result.
1) What are the parts that make up a nucleotide?
A
phosphate, amino acid, sugar
B
sugar, amino acid, nitrogenous base
C
sugar, phosphate, nitrogenous base
D
nitrogenous base, amino acid, phosphate
2) The center of the DNA molecule, the rungs of the ladder, are composed of
A
phosphates only
B
nitrogenous bases only
C
nitrogenous bases and sugar
D
phosphates and sugars
3) Which way do the nitrogenous bases in DNA pair up?
A
A and C; T and G
B
A and A; T and T; G and G; C and C
C
A and G; T and C
D
A and T; G and C
4) The sides of the DNA molecule, the rails of the ladder, are composed of
A
phosphates and sugars
B
Phosphate only
C
nitrogenous bases only
D
nitrogenous bases and sugars
5) Wilkins and Franklin were responsible for discovering important information about what aspect of DNA?
A
its chemical composition
B
that is was the genetic material
C
its molecular structure
D
its shape
6) Rosalind Franklin\'s x-ray diffraction images of DNA gave James Watson and Francis Crick information about DNA\'s
A
structure
B
optimal temperature range
C
function
D
location within the cell
7) DNA is made of
A
nucleotides
B
monosaccharides
C
amino acids
D
lipids
8) The structure of DNA is referred to as a
A
x-ray diffraction image
B
double helix
C
wagon wheel
D
single helix
9) The sugar molecule of DNA is referred to as
A
deoxyribose
B
phosphate
C
nitrogenous
D
hydrogen bonding
10) The backbone or sides of the DNA molecule are made of
A
hydrogen bonding
B
cytosine
C
nitrogenous bases
D
sugar and phosphate
*select an answer for all questions
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