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TLS Online TPP Program

#Question id: 33239

In case of enzymes, Mg2+ and Zn2+

#Unit 1. Molecules and their Interaction Relevant to Biology
  1. play a structural rather than a catalytic role
  2. Are involved in ionic bond formation
  3. play only catalytic role
  4. play a structural and catalytic role
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TLS Online TPP Program

#Question id: 1865

#Unit 4. Cell Communication and Cell Signaling

What deficiency is indicated by poor skin test results to a range of microbial antigens such as tuberculin and mumps?
TLS Online TPP Program

#Question id: 1866

#Unit 4. Cell Communication and Cell Signaling

What does HIV binds to?
TLS Online TPP Program

#Question id: 1867

#Unit 4. Cell Communication and Cell Signaling

Which of the following is a coreceptor for HIV?
TLS Online TPP Program

#Question id: 1868

#Unit 4. Cell Communication and Cell Signaling

Which of the following is NOT helpful in the diagnosis of AIDS?
TLS Online TPP Program

#Question id: 1869

#Unit 4. Cell Communication and Cell Signaling

Which of the following HIV antigens provides a potential target for neutralizing antibody?
TLS Online TPP Program

#Question id: 1870

#Unit 4. Cell Communication and Cell Signaling

Primary immunodeficiency producing susceptibility to infection by viruses and molds is caused by: