TLS Online TPP Program

#Question id: 5211


Why might the cricket genome have 11 times as many base pairs than that of Drosophila melanogaster?

#Unit 11. Evolution and Behavior
  1. The two insect species evolved at very different geologic eras.

  2. Crickets have higher gene density.

  3. Drosophila are more complex organisms.

  4. Crickets must have more non-coding DNA.

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TLS Online TPP Program

#Question id: 10365

#Unit 6. System Physiology – Plant

Why the nitrogenase enzymes catalyzes the nitrogen fixation reaction only in microanaerobic or anaerobic conditions?

TLS Online TPP Program

#Question id: 10364

#Unit 6. System Physiology – Plant

Which of the following is the most common type of symbiosis occurs between members of the plant family and soil bacteria?

TLS Online TPP Program

#Question id: 10363

#Unit 6. System Physiology – Plant

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: 10361

#Unit 6. System Physiology – Plant

The carbon skeleton for amino acids derives from 3-phosphoglycerate generated during glycolysis is called anaplueratic reaction. Generated amino acids from 3-PGA is that,

TLS Online TPP Program

#Question id: 10360

#Unit 6. System Physiology – Plant

How much ATP require in the nitrogen fixation or conversion of ammonium assimilation in the system?

TLS Online TPP Program

#Question id: 10357

#Unit 6. System Physiology – Plant

Why the glutamine and glutamate will not be transported while  asparagine will prefer to be transported?