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