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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.

More Questions
TLS Online TPP Program

#Question id: 12834

#Unit 2. Cellular Organization

How Aurora B and the spindle assembly checkpoint pathway collaborate during every cell cycle to accurately attach every single pair of sister chromatids to the mitotic spindle in the correct, bioriented manner?
TLS Online TPP Program

#Question id: 12835

#Unit 2. Cellular Organization

Following statements are regarding to the surveillance mechanism. Which of the following statement is incorrect?
TLS Online TPP Program

#Question id: 12836

#Unit 2. Cellular Organization

The final layer of control that is critical in the regulation of CDKs is a family of proteins known as CDK inhibitors, or CKIs, which bind directly to the cyclin-CDK complex and inhibit its activity. Which of the following function not done by CKIs?
TLS Online TPP Program

#Question id: 12837

#Unit 2. Cellular Organization

Haploid yeast cells were grown in culture and stained with propidium iodide, a fluorescent dye that is incorporated into DNA. The x axis shows DNA content, the y axis the number of cells. The DNA content analysis shows different populations of cells.

Which of the following statement is correct regarding to above graph?
TLS Online TPP Program

#Question id: 28581

#Unit 2. Cellular Organization

Which one of the following is Labile factors that involve to drive the progression of cells through different stages of the cell cycle?
TLS Online TPP Program

#Question id: 28582

#Unit 2. Cellular Organization

Cells commit to a new cell division at a specific point in___