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TLS Online TPP Program

#Question id: 2026

Which of the following statement is FALSE regarding MHC proteins

#Unit 4. Cell Communication and Cell Signaling

  1. MHC class I is a dimer consisting of two chains: one alpha chain (three subunits) and b2 microglobulin chain expressed outside the cell membrane

  2. MHC class I is a dimer consisting of two chains: an alpha and a beta-chain each consisting of two subunits expressed outside the cell membrane

  3. To display a self-peptide in class I and II to maintain tolerance to self-proteins

  4. To display a foreign peptide in class II to show the body is infected and activate TH cells.

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TLS Online TPP Program

#Question id: 1173

#Unit 4. Cell Communication and Cell Signaling

Which of the following not contain(s) an SH2 domain?
TLS Online TPP Program

#Question id: 5808

#Unit 8. Inheritance Biology

Mitochondrial DNA polymerase does not have an error checking mechanism such as that of nuclear DNA polymerase. This would be expected to lead to a higher rate of which type of mutation in mitochondrial DNA?
TLS Online TPP Program

#Question id: 3511

#Unit 8. Inheritance Biology

What proportional of one round and two wrinkle seed if random selected 3 seed from various seed produced from monohybrid test cross?
TLS Online TPP Program

#Question id: 32268

#Unit 2. Cellular Organization

Which of the following NOT function as Coat-recruitment GTPases?
a. ARF
b. Sar1
c. Dynamin
d. Clathrin
TLS Online TPP Program

#Question id: 12323

#Unit 10. Ecological Principles

Which of the following is considered by ecologists a measure of the ability of a community either to resist change or to recover to its original state after change?