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WorksheetsDNA Structure
Total questions: 20
Worksheet time: 33mins
Name
Class
Date
1.
What is the name of the sugar used in DNA?
a)
Nucleotides
b)
Deoxyribose
c)
Adenine
d)
Cytosine
2.
Which of the following base pairs are correct?
a)
A-G
b)
C-T
c)
A-T
d)
G-T
3.
Which of the following best describes a DNA molecule?
a)
double helix
b)
contains ribose
c)
made of amino acids
d)
contains Uracil
4.
Guanine bonds with ______________.
a)
Adenine
b)
Guanine
c)
Cytosine
d)
Thymine
5.
Why is DNA important?
a)
it is very small and very complicated
b)
it's in everything
c)
it serves as the blueprint for traits of all living things
d)
because we eat it every day for energy
6.
What are the 4 nitrogen bases?
a)
adenine, thymine, cytoplasm, and guanine
b)
adenine, thymine cytosine, and guanine
c)
adenine, thymine, cytosine, and gylcerol
d)
adenine, thymine, cytosine, and glucose
7.
Which 2 molecules forms the sides (backbone) of the DNA ladder?
a)
deoxyribose and adenine
b)
deoxyribose and a hydrogen bond
c)
sugar and the nucleus
d)
deoxyribose (sugar) and phosphate
8.
Which organelle is DNA usually found in?
a)
cell membrane
b)
vacuole
c)
chloroplast
d)
nucleus
9.
In a molecule of double-stranded DNA, the amount of Adenine present is always equal to the amount of
a)
cytosine
b)
guanine
c)
thymine
d)
uracil
10.
Nitrogenous bases are joined by which type of bond?
a)
polar bonds
b)
ionic bonds
c)
covalent bonds
d)
hydrogen bonds
11.
Replicate the following strand of DNA:
AATCATGGA
AATCATGGA
a)
AATCATGGA
b)
TTAGTACCT
c)
UUAGUACCU
d)
GGATAUCUA
12.
What is the correct complimentary strand for the following DNA?
ATCGAG
a)
TACGAG
b)
ATCGAG
c)
TAGCTG
d)
TAGCTC
13.
What does DNA stand for?
a)
Deoxyribonucleic acid
b)
Denitrogenous acid
c)
Deribonucleic acid
d)
Diribonucleic acid
14.
What sugar is in DNA?
a)
deoxyribose
b)
ribose
c)
oxyribose
d)
deoxyose
15.
Which shows the correct complementary base pairing for DNA?
a)
C-A, T-G
b)
A-G, C-T
c)
C-G, U-A
d)
T-A, G-C
16.
What is the complement of the DNA Strand: CAG
a)
CAT
b)
GACGTC
c)
GTC
d)
GAT
17.
The scientist(s) who finally figured out the structure of DNA
a)
Avery
b)
Griffith
c)
Hershey & Chase
d)
Watson & Crick
18.
What does a Double Helix look like?
a)
Twisted ladder
b)
Upside down ladder
c)
Sideways ladder
d)
Double circle
19.
What are the nucleotides made of?
a)
Sugar, Phosphate, nitrogen base
b)
Phosphate, Adenine, nitrogen base
c)
Thymine, Adenine, Cytomine
d)
Phosphate, Nitrogen, Adenine
20.
_____________________ carries information for inherited traits.
a)
DNA
b)
FBI
c)
RNA
d)
CBS
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