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