Practice Questions

TLS Online TPP Program

#Question id: 15524

The bulk of DP thymocyte death (~95%) occurs among thymocytes that fail positive selection because

#XL - S Microbiology

Their receptors specifically recognize self-MHC molecules with intermediate affinity
Their receptors specifically recognize self-MHC molecules
These cells receive survival signals through their TCRs, and die by a process known as death by neglect.
Their receptors do not specifically recognize self-MHC molecules

More Questions

#Question id: 10233

#XL - T Zoology

Which of the following statements is the most appropriate define character displacement?

#Question id: 8847

#XL - R Botany

A compound contains hydroxyl groups as its predominant functional group. Which of the following statements is true concerning this compound?

#Question id: 10326

#XL - S Microbiology

Shared derived characters are most likely to be found in taxa that are

#Question id: 27454

#XL - R Botany

Phaeophyceae vary in colour to various shades of brown depending upon the amount of the______

#Question id: 10557

#XL - R Botany

The attraction of water to a solid phase such as a cell wall or glass surface known as