WorksheetsDNA to RNA
Total questions: 25
Worksheet time: 22mins
Name
Class
Date
1.
What are the 4 nitrogenous bases?
a)
A, C, G, T (or U)
b)
A, C, B, D
c)
A, T (or U), X, Y
d)
W, X, Y, Z
2.
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
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.
Adenine bonds with ______________.
a)
Guanine
b)
Thymine
c)
Cytosine
d)
Adenine
5.
Guanine bonds with ______________.
a)
Adenine
b)
Guanine
c)
Cytosine
d)
Thymine
6.
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
7.
Where does Transcription take place?
a)
Inside the nucleus
b)
Inside the cytoplasm
c)
Inside the Ribosome
d)
Inside the Rough ER
8.
What happens to the mRNA sequence after it has been synthesized?
a)
stays in the nucleus
b)
leaves the cell
c)
leaves the nucleus
d)
separates into smaller pieces
9.
A portion of mRNA is coded CUG. The corresponding DNA is coded
a)
GAC
b)
GTC
c)
CTG
d)
CAG
10.
DNA polymerase and RNA polymerase are similar in that they
a)
are both enzymes
b)
both are involved in making new polymers
c)
both can be found doing work in the cell nucleus
d)
all of these things are true
11.
The process of creating RNA using DNA as the template is
a)
translation
b)
transcription
c)
translocation
d)
Transylvania
12.
In RNA, uracil takes the place of the DNA nitrogen base called
a)
guanine
b)
cytosine
c)
thymine
d)
adenine
13.
DNA strands 1 and 2 are able to separate and rejoin easily due to
a)
the action of RNA polymerase
b)
the nature of hydrogen bonds
c)
the presence of uracil
d)
Trick question! It is none of these.
14.
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
15.
Guanine bonds with ______________.
a)
Adenine
b)
Guanine
c)
Cytosine
d)
Thymine
16.
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
17.
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
18.
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
19.
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
20.
A process in which DNA has the unique ability to make an exact copy of itself.
a)
Replication
b)
Translation
c)
Transcription
21.
Nitrogenous bases are joined by which type of bond?
a)
polar bonds
b)
ionic bonds
c)
covalent bonds
d)
hydrogen bonds
22.
Which two scientists are accredited with correctly deducing the double helix model of DNA?
a)
Watson and Crick
b)
Wilkins and Franklin
c)
Wilkins and Crick
d)
Watson and Franklin
23.
How does RNA differ from DNA?
a)
RNA contains uracil and deoxyribose
b)
RNA contains ribose and thymine
c)
RNA contains uracil and ribose
d)
RNA contains adenine and ribose
24.
The process by which the genetic code of DNA is copied into a strand of RNA is called
a)
translation
b)
transcription
c)
transformation
d)
replication
25.
In messenger RNA, each codon specifies a particular
a)
nucleotide
b)
enzyme
c)
amino acid
d)
promoter
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