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The diagram below represents transcription during protein synthesis - English General - NSC Life Sciences - Question 2 - 2022 - Paper 2

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The diagram below represents transcription during protein synthesis. 2.1.1 Name the part of the cell where this process occurs. 2.1.2 Identify: (a) Sugar X (b) Nit... show full transcript

Worked Solution & Example Answer:The diagram below represents transcription during protein synthesis - English General - NSC Life Sciences - Question 2 - 2022 - Paper 2

Step 1

Name the part of the cell where this process occurs.

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Answer

Transcription occurs in the nucleus of the cell.

Step 2

(a) Sugar X

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Answer

The sugar X is deoxyribose.

Step 3

(b) Nitrogenous base Y

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Answer

The nitrogenous base Y is uracil.

Step 4

Tabulate TWO differences between transcription and DNA replication.

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Answer

FeatureTranscriptionDNA Replication
TemplateOnly one strand acts as a templateBoth strands act as templates
Nucleotide ComplementsFree RNA nucleotides are usedFree DNA nucleotides are used
ProductmRNA molecule is formedTwo identical DNA molecules are formed
Process ScopeOnly part of the DNA unwindsThe whole DNA molecule unwinds

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