WorksheetsDNA/RNA
Total questions: 33
Worksheet time: 51mins
Name
Class
Date
1.
Which sequence of 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
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.
Which of the following units are repeatedly joined together to form a strand of DNA?
a)
amino acids
b)
nucleotides
c)
fatty acids
d)
polysaccharides
4.
Guanine bonds with ______________.
a)
Adenine
b)
Guanine
c)
Cytosine
d)
Thymine
5.
Which 2 molecules form the sides (backbone) of the DNA ladder?
a)
deoxyribose sugar and adenine
b)
deoxyribose sugar and a hydrogen bond
c)
deoxyribose sugar and the nucleus
d)
deoxyribose sugar and phosphate
6.
What are the three components of a nucleotide?
a)
sugar, hydrogen, nitrogen base
b)
sugar, oxygen, nitrogen base
c)
sugar, phosphate, nitrogen base
d)
sugar, phosphate, protein
7.
Nitrogenous bases are joined by which type of bond?
a)
polar bonds
b)
ionic bonds
c)
covalent bonds
d)
hydrogen bonds
8.
What does this picture represent?
a)
amino acid
b)
base pairing
c)
nucleotide
d)
the DNA molecule
9.
Adenine bonds with ______________.
a)
Guanine
b)
Thymine
c)
Cytosine
d)
Adenine
10.
RNA contains the sugar
a)
ribose
b)
deoxyribose
c)
glucose
d)
lactose
11.
Which of the following statements is true?
a)
DNA is single-stranded
b)
RNA is single-stranded
c)
DNA contains uracil
d)
RNA contains deoxyribose
12.
What is the difference between DNA and RNA in terms of bases?
a)
RNA contains uracil in place of thymine
b)
RNA contains uracil in place of adenine
c)
RNA contains uracil in place of guanine
d)
RNA contains uracil in place of cytosine
13.
Which type of RNA takes the instructions from the nucleus to the cytoplasm?
a)
mRNA
b)
tRNA
c)
rRNA
d)
RNA polymerase
14.
In Eukaryotic cells, where is DNA ALWAYS located?
a)
Cytoplasm
b)
Nucleus
c)
Outside of the cell
d)
DNA is always moving around
15.
I am single stranded.
a)
DNA
b)
RNA
c)
Both DNA and RNA
16.
I am found ONLY in the nucleus of eukaryotic cells.
a)
DNA
b)
RNA
c)
Both DNA and RNA
17.
I am a nucleic acid.
a)
DNA
b)
RNA
c)
Both DNA and RNA
18.
I am arranged as a double helix or "twisted ladder."
a)
Both DNA and RNA
b)
DNA
c)
RNA
19.
I have the sugar ribose.
a)
RNA
b)
DNA
c)
Both DNA and RNA
20.
I have the sugar deoxyribose.
a)
RNA
b)
DNA
c)
Both DNA and RNA
21.
I include the bases guanine, cytosine, and adenine.
a)
DNA
b)
RNA
c)
Both DNA and RNA
22.
In eukaryotic cells, I travel out of the nucleus to a ribosome.
a)
Both DNA and RNA
b)
DNA
c)
RNA
23.
I have the base thymine.
a)
Both DNA and RNA
b)
RNA
c)
DNA
24.
I have the base uracil.
a)
RNA
b)
DNA
c)
Both DNA and RNA
25.
Which sequence of DNA bases would pair with this partial strand
CAT TCA CTG
CAT TCA CTG
a)
ATG TGA CAG
b)
TAC ACT GTC
c)
GTA AGT GAC
d)
CAT TCA CTG
26.
What is the shape of DNA?
a)
Double helix
b)
Triple helix
c)
Flat, bilayer
d)
Three-pronged rigid ladder
27.
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
28.
the process of making a copy of DNA
a)
transcription
b)
double helix
c)
DNA replication
d)
replication fork
29.
The shape of DNA.
a)
double helix
b)
nucleotide
c)
DNA polymerase
d)
single stranded
30.
If we think of DNA as a ladder, which parts are the steps of the ladder?
a)
the nitrogenous base pairs
b)
the phosphate-sugar backbone
c)
the genes
d)
the phospholipid bilayer
31.
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
32.
Which type of RNA brings the amino acids to the ribosome to make proteins?
a)
mRNA
b)
rRNA
c)
tRNA
d)
zRNA
33.
Which type of RNA is a structural component of the ribosome?
a)
mRNA
b)
rRNA
c)
tRNA
d)
zRNA
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