(Protein Synthesis) Review 1. Where is DNA housed in the cell? 2. Does DNA leave
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Question
(Protein Synthesis) Review 1. Where is DNA housed in the cell? 2. Does DNA leave the nucleus? 3. Which cytoplasmic cell structure is responsible for synthesizing proteins? 4. Since DNA cannot leave the nucleus to get the protein code to the ribosome, what molecule must act as the “intermediate” messenger molecule? 5. Going from DNA Protein is called Gene Expression. Define “gene expression”. What are the two major steps of gene expression? 6. What is the final product of transcription? 7. What is the final product of translation? 8. If the DNA template strand is: 5’ –GCCTGTCACTCCGAT- 3’, then what is the complementary mRNA code? 9. How many triplets does the former DNA sequence contain? 10. What molecule contains the codons?
Explanation / Answer
We can answer only one question.
Taking your questions as subparts, we can answer 4.
1. DNA is housed in the nucleus and in eukaryotes, in the mitochondria also.
2. No, it does not leave the nucleus.
3. Ribosomes
4. mRNA or messenger RNA
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