A
Explanation:
The genome of prokaryotes has no introns hence their mRNA does not need splicing like in eukaryotic cells. Also, because the genome of prokaryotes is not delimited from the cytoplasm by a nuclear membrane, ribosomes can attach to the elongating mRNA during transcription and begin translation. Therefore translation of mRNA occurs concurrently with transcription which cannot happen with eukaryotic cells.
In the nucleus of eukaryotic cells, transcription results to a nascent mRNA which is spliced into a mature mRNA.The mature mRNA has to travel outside the nucleus to the cytoplasm to be translated by ribosomes.
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The correct answer is -
E. double coincidence of wants
The tolerable upper intake of zinc for an adult is 40 mg per day.
But the recommended daily intake of Zinc (RDA) is 15 mg per day for an adult. Nevertheless, this contribution must be adapted according to your age and your activity. Attention, in case of excessive excess, zinc can become toxic.
The tolerable dose (without side effects) can be up to 40 mg per day, it is prescribed in case of infection as during cooling. Attention in case of treatment with 40 mg of zinc per day, the maximum duration of treatment is 4 days.
