SC UESTION 4 ) Place a tick in the appropriate box if each of the processes belo
ID: 276421 • Letter: S
Question
SC UESTION 4 ) Place a tick in the appropriate box if each of the processes below occur during (O) DNA replication and/or (i) transcription. Marks will be deducted for incorrectly placed ticks. 18 marks] Description of process () Replication (i) Transcription ExampleOccurs in eukaryotic cells Occurs in prokaryotic cells Complementary template is used 2 Triphosphate precursors provide energy for polymerization Proof reading' of added nucleotides occurs 4 Primer is required Direction of new strand synthesis is 5' to 3' Discontinuous synthesis occurs on the lagging strand 8 Building blocks of product are ribonucleotidesExplanation / Answer
S.No
Description of Process
Replication
Transcription
1
Occurs in Prokaryotic cells
Yes
Yes
2
Complementary template is used
Yes
No
3
Triphosphate precursors provide energy for polymerization
Yes
Yes
4
Proof reading of added nucleotides occurs
Yes
Yes
5
Primer is required
Yes
No
6
Direction of new strand synthesis in 5’ to 3’
Yes
No
7
Discontinuous synthesis occurs on lagging strand
Yes
No
8
Building blocks of products are ribonucleotides
No
Yes
S.No
Description of Process
Replication
Transcription
1
Occurs in Prokaryotic cells
Yes
Yes
2
Complementary template is used
Yes
No
3
Triphosphate precursors provide energy for polymerization
Yes
Yes
4
Proof reading of added nucleotides occurs
Yes
Yes
5
Primer is required
Yes
No
6
Direction of new strand synthesis in 5’ to 3’
Yes
No
7
Discontinuous synthesis occurs on lagging strand
Yes
No
8
Building blocks of products are ribonucleotides
No
Yes
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