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TLS Online TPP Program

#Question id: 1704

The single best unique description of the interaction of the αβ T-cell receptor with peptide-MHC is that it:

#SCPH01 Biochemistry

  1. Involves non-covalent forces

  2. Results in T-cell activation

  3. Requires the peptide to be presented by MHC class I

  4. Involves CDR (complementarity-determining region) binding to both peptide and MHC

More Questions
TLS Online TPP Program

#Question id: 6986

#SCPH28 | Zoology

The use of segments as a developmental strategy in vertebrates is evident in:
TLS Online TPP Program

#Question id: 15236

#SCPH28 | Zoology

Polyacrylamide gels are formed from the polymerisation of acrylamide monomer in the presence of
A) Agarose
B) TEMED
C) APS
D) bis-acrylamide
TLS Online TPP Program

#Question id: 11452

#SCPH28 | Zoology

A given photon of light may trigger an action potential with thousands of times more energy because the signal strength is amplified by ________.
TLS Online TPP Program

#Question id: 1396

#SCPH28 | Zoology

Trks are:

a. endonucleases.        b. transmembrane receptors.   c. proteases.     d. protein kinases.      
TLS Online TPP Program

#Question id: 11270

#SCPH28 | Zoology

Consumption efficiency is the proportion of production at one trophic level that is eaten by, or ingested, by the next trophic level which of the following is correct statement?

A. Consumption efficiencies of herbivore is higher in ocean than grassland

B. In aquatic ecosystems, production efficiencies of herbivore are greater than carnivores

C. Assimilation efficiencies for carnivores are typically higher than those of herbivores

D. Assimilation efficiency depends on the quality of food eaten and the physiological efficiency of the consumer