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Author Question: After reading the paragraphs below, answer the questions that follow.Cystic fibrosis is an autosomal ... (Read 49 times)

Destiiny22

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After reading the paragraphs below, answer the questions that follow.

Cystic fibrosis is an autosomal recessive genetic disorder that most severely affects the lungs and respiratory tract. Cystic fibrosis is caused by a mutation in the gene for the protein cystic fibrosis transmembrane regulator (CFTR), which regulates the movement of chloride and sodium ions across epithelial cell membranes. When the CFTR gene is mutated in cystic fibrosis, the defective CFTR protein cannot transport ions properly, which results in too little water drawn across the membrane and the buildup of thick and sticky (viscous) mucus, especially in the airways. This leads to difficulty of breathing, frequent lung infections, and ultimately death.

Research has shown that some of the increased thickness and viscosity of the mucus in the respiratory tract is due to the presence of human DNA. If DNA is present in high concentrations in solution, the DNA molecules can get entangled and lead to a thick, viscous solution. To combat this, pharmaceutical companies have developed recombinant forms of the human deoxyribonuclease I (DNase I) protein. DNase I, after being translated and modified with sugar groups, is normally produced in human cells and possibly plays a role in DNA breakdown during apoptosis (programmed cell death).


If you wanted to produce a recombinant form of DNase I, what cell type should you use?
◦ plant
E. coli
◦ yeast
◦ mammalian


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Marked as best answer by Destiiny22 on Jul 15, 2019

LP

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Destiiny22

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Reply 2 on: Jul 15, 2019
:D TYSM


bassamabas

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Reply 3 on: Yesterday
Gracias!

 

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