Question

 14. What function does an internal ribosomal entry site serve?

 a. as a way to translate polycistronic mRNA in eukaryotes that carries the genes for multiple subunits of a protein

 b. as a protease cleavage site in between two proteins expressed on one transcript

 c. as a way to control the expression of two different proteins

 d. as a way to differentially express two proteins on the same transcript

 e. none of the above

 15. Which factor affects which protein expression system to utilize?

 a. cost

 b. ability to glycosylate or fold proteins

 c. speed

 d. government regulations

 e. all of the above

 16.

 Which of the following is not involved in the manufacturing of insulin?

 a. endopeptidases

 b. carboxypeptidase H

 c. signal peptidase

 d. phosphodiesterase 5

 e. All of the above are involved in the manufacturing of insulin.

Answer 1

What function does an internal ribosomal entry site serve?

a. as a way to translate polycistronic mRNA in eukaryotes that carries the genes for multiple subunits of a protein

b. as a protease cleavage site in between two proteins expressed on one transcript---answer

c. as a way to control the expression of two different proteins

d. as a way to differentially express two proteins on the same transcript

e. none of the above

5. Which factor affects which protein expression system to utilize?

a. Cost

b. ability to glycosylate or fold proteins

c. speed

d. government regulations

e. all of the above ---------------answer

s. Which of the following is not involved in the manufacturing of insulin?

a. endopeptidases

b. carboxypeptidase H

c. signal peptidase

d. phosphodiesterase 5 ----------------answer

e. All of the above are involved in the manufacturing of insulin.

An i internal ribosomal entry site, abridged IRES, is a RNA component that takes into account interpretation start in an end-free way, as a feature of the more noteworthy procedure of protein amalgamation. In eukaryotic interpretation, start regularly happens at the 5' end of mRNA atoms, since 5' top acknowledgment is required for the gathering of the start complex. The area for IRES components is regularly in the 5'UTR, yet can likewise happen somewhere else in mRNAs.

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A phosphodiesterase inhibitor is a medication that pieces at least one of the five subtypes of the chemical phosphodiesterase (PDE), along these lines keeping the inactivation of the intracellular second errand people cyclic adenosine monophosphate (cAMP) and cyclic guanosine monophosphate (cGMP) by the separate PDE subtype(s