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TLS Online TPP Program
#Question id: 31243
#Unit 5. Developmental Biology
The cells found within the most posterior region of the progress zone constitute the:
TLS Online TPP Program
#Question id: 5470
#Unit 8. Inheritance Biology
Numerous pure breeding crosses are made between two inbred plant strains, one having a mean height at maturity of 96 cm and the other as 56 cm. The height of the F1 progeny at maturity averages close to 76 cm. Height of plant control by four pair of polygene. The F2 progeny show the following phenotype.
TLS Online TPP Program
#Question id: 31386
#Unit 4. Cell Communication and Cell Signaling
Which of the following ion uptake into the presynaptic terminal causes release of the neurotransmitter?
TLS Online TPP Program
#Question id: 11600
#Unit 6. System Physiology – Plant
The first plant gibberellin to be identified was___
TLS Online TPP Program
#Question id: 15526
#Unit 4. Cell Communication and Cell Signaling
If a thymocyte randomly generated a TCR with an affinity for MHC Class I, the TCR and CD8 would bind MHC Class I together, and generate a signal that specifically initiated a program that is
a) silenced CD8 expression
b) silenced CD4 expression
c) induced expression of genes specific for helper T-cell lineage function
d) induced expression of genes specific for cytotoxic T-cell lineage function