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TLS Online TPP Program

#Question id: 1533

Why might using retroviral vectors for gene therapy increase the patient's risk of developing cancer?

#Unit 4. Cell Communication and Cell Signaling

  1. Retroviral vectors may introduce proteins from the virus.

  2. Retroviral vectors do not express the genes that were introduced into a patient's cells.

  3. Retroviral vectors do not integrate their recombinant DNA into the patient's genome.

  4. Retroviral vectors integrate recombinant DNA into the genome in ways that may misregulate the expression of genes at or near the site of integration.

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TLS Online TPP Program

#Question id: 12090

#Unit 10. Ecological Principles

The theory of punctuated equilibrium argues that
TLS Online TPP Program

#Question id: 18904

#Unit 13. Methods in Biology

Advantages of using short half-life isotopes
TLS Online TPP Program

#Question id: 6946

#Unit 5. Developmental Biology

The adult body plan of the fly is based on reiterating structures called segments; segment precursors (parasegments) are first positioned at the cell-by-cell level by which group of genes?
TLS Online TPP Program

#Question id: 369

#Unit 1. Molecules and their Interaction Relevant to Biology

Calculate the pH of a 2.0 L solution containing 10 mL of 5 M acetic acid and 10 mL of 1 M sodium acetate. (pKa = 4.76)
TLS Online TPP Program

#Question id: 16781

#Unit 13. Methods in Biology

At Dunkin Donuts the number of donut holes in a bag can vary. Help Donald find the mode. 12,10,10,10,13,12,11,13,10