1. A typical polycistronic mRNA MAY contain all of the following EXCEPT (A) a le

Question

1. A typical polycistronic mRNA MAY contain all of the following EXCEPT (A) a leader region (B) start codons(C) stop codons (D) a ribosome binding site (E) a S' cap Use the following choices to answer questions 2 -5. (A) Synthesizes a string of AMP in mRNA(B) Synthesizes RNA using an DNA template (C) Synthesizes DNA using an RNA template (D) Synthesizes DNA using an DNA template (E) Synthesizes RNA using an RNA template 2. What is the function of PAP? 3. What is the function of reverse transcriptase? 4. What is the function of RNA polymerase? 5. What is the function of DNA polymerase? 6. Which of the following is NOT a possible component of a DNA molecule? (A) Adenine (B) deoxyribose (C) cytosine (D) phosphate (E) uracil

Explanation / Answer

1. Stop codon

2. Synthesizes a string of AMP in mRNA

3. Synthesizes DNA from RNA template

4. Synthesizes RNA from DNA template

5. Synthesizes DNA from DNA template

E. Uracil

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