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TLS Online TPP Program

#Question id: 2335

How might viruses play a role in curing cystic fibrosis?

#Unit 2. Cellular Organization

  1. Viruses could remove the defective gene from lung cells in persons with cystic fibrosis.

  2. Viruses could repair the defective gene in lung cells in persons with cystic fibrosis.

  3. Viruses could identify the defective gene for later removal.

  4. Viruses could deliver a copy of the normal gene to lung cells in persons with cystic fibrosis.

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TLS Online TPP Program

#Question id: 12617

#Unit 10. Ecological Principles

In 2005, a country had a population of approximately 295,000,000 people. If the birth rate was 13 births for every 1,000 people, approximately how many births occurred in the United States in 2005? 
TLS Online TPP Program

#Question id: 23187

#Unit 13. Methods in Biology

Which of the following is true about photoactivable fluorescent proteins?
TLS Online TPP Program

#Question id: 356

#Unit 1. Molecules and their Interaction Relevant to Biology

How does 0.5 M sucrose (molecular mass 342) solution compare to 0.5 M glucose (molecular mass 180) solution?
TLS Online TPP Program

#Question id: 31178

#Unit 4. Cell Communication and Cell Signaling

Wnt is a combination of which of the following proteins?
TLS Online TPP Program

#Question id: 12216

#Unit 7. System Physiology – Animal

Gastric emptying is regulated to ensure the chyme enters the duodenum at an appropriate rate. Which of the following factors promotes gastric emptying?