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H Complementary Describe Mrna Produced Plant Cell Marks

mRNA production in a plant cell involves DNA strand separation by breaking hydrogen bonds, using one strand as a template, complementary base pairing of RNA nucleotides (A→U, T→A, C→G, G→C), joining by RNA polymerase to form pre-mRNA, and then splicing to remove introns and form mRNA.

Producerea ARNm într-o celulă de plantă implică separarea filamentele ADN prin ruperea legăturilor de hidrogen, utilizarea unei singurenamely matriță, bazarea complementară a nucleotidelor ARN (A→U, T→A, C→G, G→C), unirea cu ARN polimerază pentru a forma pre-ARNm, și apoi splicing-ul pentru a îndepărta intronii și a forma ARNm.

Front Describe how mRNA is produced in a plant cell. [5 marks]
Back 1. The DNA strands separate by breaking the H
bonds;
OR
H bonds broken between (complementary)
(DNA) bases;
2. (Only) one of the strands/template strand is
used (to make mRNA/is transcribed);
3. (Complementary) base pairing so A→U,
T→A, C→G, G→C;
4. (RNA) nucleotides joined by RNA
polymerase;
5. pre-mRNA formed;
6. Splicing / introns removed to form mRNA;

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