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Write the changes that hnRNA undergoes b...

Write the changes that hnRNA undergoes before it leaves the nucleus as mRNA.

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(i) Name the enzyme that catalyses the trancription of hnRNA. (ii) Why does the hnRNA need to undergo changes? List the changes hnRNA undergoes and where in the cell such changes take place?

(i) Name the enzyme that catalyses the transcription of hnRNA. (ii) Why does the hnRNA need to undergo changes ? List the changes hnRNA undergoes and where in the cell such changes take place.

Name the types of cells and the process by which hnRNA is formed. Describe the processing mechanism it undergoes before it becomes functional.

(a) Describe the process of transcription in bacteria. (b) Explain the processing the hnRNA needs to undergo before becoming functional mRNA in eukaryotes.

Write the changes a fertilized ovule undergoes within the ovary in an angiosperm plant.

Write down the features of mRNA.

.............. refers to various changes a sperm undergoes to fertilize the ovum.

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