TLS Online TPP Program

#Question id: 15448


Stimulation of a single B cell would result in the generation of a clone of cells having_____

#Unit 4. Cell Communication and Cell Signaling
  1. All receptors on a single B cell have shown different  specificity for antigen.
  2. Daughter cells within each clone would not be able to secrete large amounts of antibody to neutralize the pathogen
  3. Clone of cells having the identical receptor as the parental B cell
  4. these clones would migrate to, and function within, the primary as well as secondary lymphoid organs
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TLS Online TPP Program

#Question id: 14968

#Unit 2. Cellular Organization

What compound provide much of the wall's antigenic specificity and thus make it possible to identify gram-positive bacteria by certain laboratory tests

TLS Online TPP Program

#Question id: 14969

#Unit 2. Cellular Organization

 A new drug is developed that targets and binds to the lipid A portion of LPS from Gram negative bacterial cells. This drug shows a high degree of activity and binding in a test tube setting against purified lipid A. Based on this information,

TLS Online TPP Program

#Question id: 14970

#Unit 2. Cellular Organization

A research lab is trying to produce new antibiotics. They come up with drugs that detach the hydrophilic heads from the phospholipids in plasma membranes. This drug

TLS Online TPP Program

#Question id: 14971

#Unit 2. Cellular Organization

Bacillus and Clostridium are medically relevant groups of bacteria that characteristically stain 

TLS Online TPP Program

#Question id: 14972

#Unit 2. Cellular Organization

Although O side chains are readily recognized by host antibodies, gram negative bacteria may thwart host defenses by 

TLS Online TPP Program

#Question id: 14976

#Unit 2. Cellular Organization

Plasmids are not required for host growth and reproduction, although they may carry genes that give their bacterial host a selective advantage. Plasmid genes can render  bacteria 
1. Drug-resistant 
2. Give new metabolic abilities 
3. Make them pathogenic

Which among the following combinations is correct?