TLS Online TPP Program

#Question id: 18667


Which of the following is highly sophisticated analytical method for analysing protein mixtures

#Unit 13. Methods in Biology
  1. SDS-PAGE
  2. Agarose gel
  3. IEF
  4. Two-Dimensional Polyacrylamide Gel Electrophoresis 
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TLS Online TPP Program

#Question id: 32715

#Unit 1. Molecules and their Interaction Relevant to Biology

Which model correctly represents the graph


 

TLS Online TPP Program

#Question id: 1143

#Unit 4. Cell Communication and Cell Signaling

In trimeric G proteins, GTP binds to:

TLS Online TPP Program

#Question id: 29564

#Unit 6. System Physiology – Plant

Biotrophic fungi usually penetrate the rigid cell wall via the formation of a specialized infection structure on the plant surface called an 

TLS Online TPP Program

#Question id: 16133

#Unit 13. Methods in Biology

You are running a human assisted reproduction clinic and providing state-of-the-art genetic diagnostic services. A married couple who already had a child with cystic fibrosis approach you because they wish to have another child, but only if they can be assured that the child will not have cystic fibrosis. You genotype the woman and discover that she is a heterozygote for Del508, the most common mutation causing cystic fibrosis. You suggest that the couple consider first polar body testing, in which several unfertilized oocytes (each with its first polar body) are retrieved from the woman, the first polar bodies are removed, and PCR tests are conducted on DNA from each of the first polar bodies. The couple agrees, and you obtain the following results:

 
Given the couple's desire to have a child without cystic fibrosis, which oocytes would you employ in vitro fertilization?

TLS Online TPP Program

#Question id: 19116

#Unit 8. Inheritance Biology

You are conducting genetic linkage studies of an autosomal recessive disease whose chromosomal location has not been firmly established. You are focused on two SSR markers that may be linked to each other and to the disease. Here are two families in which some individuals are affected:
                             
Calculate LOD scores for linkage at θ= 0.02 between the disease and SSR42 in Family 2.