Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 55477
TLS Online TPP Program

#Question id: 15525

In the instructive model, TCR/CD4 and TCR/CD8 coengagement generates unique signals, if a thymocyte randomly generated a TCR with an affinity for MHC Class I. which thymocyte would bind with MHC class I?

#Unit 4. Cell Communication and Cell Signaling
  1. Only CD8 would bind MHC class I
  2. TCR and CD4 would bind MHC Class I together
  3. TCR and CD8 would bind MHC Class I together
  4. TCR and CD4 would bind MHC Class II together
More Questions
TLS Online TPP Program

#Question id: 19917

#Unit 13. Methods in Biology

Antigen-Antibody interactions are__
TLS Online TPP Program

#Question id: 5664

#Unit 5. Developmental Biology

Following statements are regarding to gamete fusion and the prevention of polyspermy in mammals.

A. In mammals, it is not the tip of the sperm head that makes contact with the egg but the side of the sperm head.

B. The junction between the inner acrosomal membrane and the sperm cell membrane is called the acrosomal region, and this is where membrane fusion between sperm and egg begins.

C. Sperm-egg fusion appears to involve several proteins, two of which are Izumo, in the oocyte membrane, and Juno, in the acrosomal membrane.

D. These fusion proteins bind together and appear to recruit other proteins to make an adhesion and fusion complex.

Which of the following statements are correct?
TLS Online TPP Program

#Question id: 21131

#Unit 12. Applied Biology

Erythritol is a sugar alcohol is produced by__
TLS Online TPP Program

#Question id: 378

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following statements about buffers is true?
TLS Online TPP Program

#Question id: 15379

#Unit 8. Inheritance Biology

What are the possible offspring from a type A mother and a type AB father?