TLS Online TPP Program

#Question id: 4185


Which of the following is mismatched?

#SCPH28 | Zoology
  1. initiator tRNA - recognizes AUG codons during initiation at the P site

  2. Shine-Dalgarno sequence - upstream of the initator codon and plays a role in initiation

  3. Shine-Dalgarno sequence - pyrimidine-rich stretch at the 3ʹ end of 16S rRNA

  4. eukaryotic initiation factors - IF-1, IF-2, IF-3

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TLS Online TPP Program

#Question id: 10359

#I Life Science/ Life Sciences Group – I-V

Nitrate reductases of higher plants are composed of two identical subunits, each containing three prosthetic groups. Which of the following is not the prosthetic group of nitrate reductase;

TLS Online TPP Program

#Question id: 10359

#SCPH05 I Biotechnology

Nitrate reductases of higher plants are composed of two identical subunits, each containing three prosthetic groups. Which of the following is not the prosthetic group of nitrate reductase;

TLS Online TPP Program

#Question id: 10360

#SCPH05 I Biotechnology

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

TLS Online TPP Program

#Question id: 10361

#SCPH05 I Biotechnology

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: 10362

#SCPH05 I Biotechnology

Bacteria can convert atmospheric nitrogen into ammonia, Several form symbiotic associations with higher plants is given below;

               HOST PLANT                                                                          N-FIXING SYMBIONTS

A) Gunnera                                                                            i) Frankia

      B) Azolla                                                                                ii) Acetobacter

C) Leguminous                                                                     iii) Azospirillum

             D) Actinorhizal                                                                      iv) Nostoc

             E) Sugarcane                                                                         v) Anabaena

             F) Miscanthus                                                                       vi) Sinorhizobium


Which of the following combination with the host plants and n-fixing symbionts is CORRECT?

TLS Online TPP Program

#Question id: 10363

#SCPH05 I Biotechnology

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?