Free living nitrogen fixing takes place as shown in the following;

             TYPE                                                                                       N-FIXING GENERA

A) Cyanobacteria (blue-green algae)                                        i) Bacillus

B) Aerobic                                                                                     ii) Clostridium

C) Facultative                                                                              iii) Anabaena

D) Anaerobic nonphotosynthetic                                            iv) Rhodospirillum

E) Anaerobic photosynthetic                                                     v) Azospirillum

 Which of the following combination of free living nitrogen fixing bacteria is correct?

TLS Online TPP Program

#Question id: 1856

#Unit 4. Cell Communication and Cell Signaling

Influenza vaccines usually contain antigens from how many different strains of influenza virus?

TLS Online TPP Program

#Question id: 1857

#Unit 4. Cell Communication and Cell Signaling

Some of the newer adjuvants under development aim to stimulate:

TLS Online TPP Program

#Question id: 1858

#Unit 4. Cell Communication and Cell Signaling

Which of the following is an example of an anti-tumor vaccine?

TLS Online TPP Program

#Question id: 1859

#Unit 4. Cell Communication and Cell Signaling

Defects in the neutrophil NADPH oxidase system result in:

TLS Online TPP Program

#Question id: 1860

#Unit 4. Cell Communication and Cell Signaling

Mendelian susceptibility to mycobacterial infection does NOT involve the gene for:

TLS Online TPP Program

#Question id: 1861

#Unit 4. Cell Communication and Cell Signaling

Paroxysmal nocturnal hemoglobulinuria results from deficiency in: