TLS Online TPP Program

#Question id: 32257


Which of the following oligosaccharide precursor recognized for dislocation of proteins?

#Unit 2. Cellular Organization
  1. (Glc)3(Man)9(GlcNAc)2
  2. (Glc)1(Man)9(GlcNAc)2
  3. (Man)5-6(GlcNAc)2
  4. (Man)5-6(Glc)2
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TLS Online TPP Program

#Question id: 2001

#Unit 4. Cell Communication and Cell Signaling

A researcher is analyzing the immune response of a patient following the patientʹs exposure to an unknown agent while out of the country. The patientʹs blood is found to have a high proportion of lymphocytes with CD8 surface proteins. What is the likely cause?

TLS Online TPP Program

#Question id: 2002

#Unit 4. Cell Communication and Cell Signaling

What accounts for antibody switching (i.e., the switch of one B cell from producing one class of antibody to another antibody class that is responsive to the same antigen)?

TLS Online TPP Program

#Question id: 2003

#Unit 4. Cell Communication and Cell Signaling

The number of MHC protein combinations possible in a given population is enormous. However, an individual in that population has only a couple of MHC possibilities. Why?

TLS Online TPP Program

#Question id: 2004

#Unit 4. Cell Communication and Cell Signaling

A bone marrow transplant may not be appropriate from a given donor (Jane) to a given recipient (Janeʹs cousin Bob), even though Jane has previously given blood for one of Bobʹs needed transfusions. Which of the following might account for this?

TLS Online TPP Program

#Question id: 2005

#Unit 4. Cell Communication and Cell Signaling

A transfusion of type A blood given to a person who has type O blood would result in which of the following?

TLS Online TPP Program

#Question id: 2006

#Unit 4. Cell Communication and Cell Signaling

In Cases 1 and 2 in the table, the mothers would be able, if needed, to supply blood to the newborn even 7-9 months after birth; the same would not be true for Case 3. Why?