Transcription happens in the ___ and translation occurs in the _.

Cytoplasm, nucleus

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Nucleus, ribosome

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Ribosome, nucleus

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Nucleus, cytoplasm

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Solution

The correct option is B Nucleus, ribosome
DNA gets transcribed into mRNA within the nucleus. The mRNA gets processed, and moves out through the nuclear pores into the cytoplasm to get attached to the ribosomes for protein synthesis. In eukaryotes, the endoplasmic reticulum lies right outside the nucleus, and its membrane is in fact, continuous with the outer nuclear membrane. The rough endoplasmic reticulum is studded with ribosomes. There are also free ribosomes in the cytoplasm of a cell. Translation of mRNA to protein can happen in both attached and free ribosomes.

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Similar questions

The diagram shows an important concept in the genetic implication of DNA. Fill in the blanks A to C.

D N A A \to m R N A B \to p r o t e i n

	Prokaryotic transcription	Eukaryotic transcription
(a)	Transcriptional unit has only one gene	Transcriptional unit has one or more genes
(b)	Occurs in the cytoplasm	Occurs in the nucleus
(c)	A single RNA polymerase synthesises all the three types of RNA	The RNA polymerase I, II and III synthesise rRNA, mRNA and tRNA respectively
(d)	Coupled-transcription translation is the rule	Coupled transcription translation is notpossible

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