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WorksheetsDNA
Total questions: 10
Worksheet time: 16mins
Name
Class
Date
1.
What does DNA stand for?
a)
Deoxyribonucleic acid
b)
Denitrogenous acid
c)
Deribonucleic acid
d)
Diribonucleic acid
2.
Which of the following best describes a DNA molecule?
a)
double helix
b)
contains ribose
c)
made of amino acids
d)
contains Uracil
3.
The backbone of a DNA molecule is made from a 5 carbon ______________ and a _______________ group.
a)
lipid, carbon
b)
sugar, phosphate
c)
nitrogen, oxygen
d)
nitrogen, sulfur
4.
What are the four nitrogen bases?
a)
adenine, thymine, guanine, cytosine
b)
adenine, lysine, prolene, guanine
c)
arganine, cytosine, lysine, purine
d)
lysine, cytosine, lucine, guanine
5.
A nucleotide is made up of three parts: which of these is not one of those parts?
a)
sugar
b)
phosphate
c)
amino acids
d)
base
6.
____________________ is to make copies of DNA
a)
replicate
b)
recycle
c)
reuse
d)
rejoice
7.
__________________ is a change in the nucleotide base sequence of DNA.
a)
switch
b)
eraser
c)
creation
d)
mutation
8.
Which sequence of complementary DNA bases would pair with this partial strand
ATG TGA CAG?
ATG TGA CAG?
a)
ATG TGA CAG
b)
TAC ACT GTC
c)
GTA AGT GAC
d)
CAT TCA CTG
9.
What determines the code, or information, of a DNA molecule?
a)
the shape (structure) of the nitrogen bases
b)
the order (sequence) of the nitrogen bases
c)
the color of the nitrogen bases
d)
the frequency (number) of nitrogen bases
10.
The two strands of nitrogenous bases in DNA are joined by which type of bond?
a)
polar bonds
b)
ionic bonds
c)
covalent bonds
d)
hydrogen bonds
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