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DNA Replication And Transcription
Test Description: DNA Replication and Transcription
Instructions: Answer all questions to get your test result.
1) What do you call the process of a new DNA strand being created from an “old” DNA strand?
A
Replication
B
Transcription
C
Translation
D
Initiation
2) Which of the following is NOT one of the three types of RNA?
A
uRNA
B
tRNA
C
rRNA
D
mRNA
3) Where does transcription occur in the cell?
A
Cell Membrane
B
Nucleus
C
The ribosome
D
The cytoplasm
4) What word describes the process of DNA being copied to mRNA?
A
Transcription
B
Initiation
C
Translation
D
Replication
5) Which of these is a true difference between DNA and RNA?
A
DNA can travel to the cytoplasm, while RNA is only in the nucleus
B
RNA contains uracil and DNA contains thymine
C
RNA has deoxyribose sugar while DNA has a ribose sugar
D
DNA is single stranded and RNA is double stranded
6) What enzyme is responsible for breaking the hydrogen bonds between the nitrogen bases of the DNA molecule in replication?
A
DNA Helicase
B
DNA Polymerase
C
RNA polymerase
D
DNA Ligase
7) Which of these is a job that DNA polymerase performs during replication?
A
Proofreads and repairs the new strand
B
Breaks hydrogen bonds between bases
C
Unwinds the DNA molecule
D
Closes the gaps between Okazaki fragments
8) What enzyme adds the new nucleotides during transcription?
A
DNA Polymerase
B
Ligase
C
DNA Helicase
D
RNA polymerase
9) Which type of RNA travels to the cytoplasm and contains the codons that will code for a specific amino acid?
A
uRNA
B
tRNA
C
mRNA
D
rRNA
10) What are the three steps of transcription in order?
A
Termination, Elongation, Initiation
B
Initiation, Termination, Elongation
C
Elongation, Initiation, Termination
D
Initiation, Elongation, Termination
*select an answer for all questions
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