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TLS Online TPP Program

#Question id: 1718

When Langerhans' cells differentiate into fully mature dendritic cells (DCs) they:

#I Life Science/ Life Sciences Group – I-V

  1. Downregulate CD1 expression

  2. Increase their endocytic activity

  3. Increase expression of B7.1

  4. Decrease expression of B7.2

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TLS Online TPP Program

#Question id: 773

#SCPH01 Biochemistry

Which of the following describes the function of an enzyme known as Dicer?
TLS Online TPP Program

#Question id: 1026

#SCPH06 I Botany

Peptidoglycan
TLS Online TPP Program

#Question id: 1083

#SCPH06 I Botany

 When a neuron responds to a particular neurotransmitter by opening gated ion channels, the neurotransmitter is serving as which part of the signal pathway?
TLS Online TPP Program

#Question id: 303

#SCPH28 | Zoology

Which condition favors the bond formation______
TLS Online TPP Program

#Question id: 2668

#SCPH06 I Botany

The toxic shock syndrome toxin is produced by some Salmonella species when there is not sufficient iron present. When iron is present, it prevents transcription of the TSS-toxin gene. Iron therefore serves as __________.