Which of the following cell types are responsible for initiating a secondary immune response?

TLS Online TPP Program

#Question id: 19560

#Unit 12. Applied Biology

The toxin fragments arc believed to bind to specific high-affinity receptors present in the brush border of 

TLS Online TPP Program

#Question id: 19561

#Unit 12. Applied Biology

As a result, the brush border membranes develop pores, most likely nonspecific in nature, permitting ______ into the epithelial cells of ions and water, which causes their swelling and eventual lysis.

TLS Online TPP Program

#Question id: 19562

#Unit 12. Applied Biology

It has been suggested that interaction of the toxin fragment with the receptor facilitates proteolytic removal of toxin a helix, which triggers toxin oligomerization that leads to 

TLS Online TPP Program

#Question id: 19563

#Unit 12. Applied Biology

It was believed that lysis of epithelial cells leads to death of the affected larvae due to 

TLS Online TPP Program

#Question id: 19792

#Unit 12. Applied Biology

Expression of BtR175 gene in mammalian cells enables Cry1Aa to bind the cells and cause their lysis. The specificity seems to be lost upon reduction of which amino acid residues of the protoxin, but can be restored by reoxidation of these residues?

TLS Online TPP Program

#Question id: 19793

#Unit 12. Applied Biology

The specificity of cry protein seems to be lost upon reduction of which amino acid residues of the protoxin, but can be restored by reoxidation of these residues?