TLS Online TPP Program

#Question id: 13109


With the help of DNA fingerprinting which can be used to determine paternity. There are three babies (Baby A, Baby B and Baby C) in a maternity ward, and three sets of confused and worried parents. (Father and Mother #1 are a couple, as are Father and Mother #2, and Father and Mother #3.) 
You do each PCR reaction on chromosome 15 and load each one into a separate well of an agarose gel, and then run the gel.
 

 which number of repeats did Baby C inherit from his mother?

#Unit 14. Methods in Biology
  1. 30 repeats
  2. 50 repeats
  3. 70 repeats
  4. 20 repeats
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TLS Online TPP Program

#Question id: 10382

#Unit 6. System Physiology – Plant

Ureides are

TLS Online TPP Program

#Question id: 10383

#Unit 6. System Physiology – Plant

The nitrogenase enzyme complex fixes N2 produces ammonia, The nitrogenase enzyme complex catalyzes this reaction by following characteristics given below;

a) It can be separated into two components—the Fe protein and the MoFe protein— neither of which has catalytic activity by itself

b) Fe protein is the smaller of the two components and has two identical subunits, each contains an iron–sulfur cluster, which participates in the redox reactions

c) The Fe protein is irreversibly inactivated by O2 while MoFe protein is activated by O2

d) MoFe protein has four subunits, each subunit has two Mo–Fe–S clusters

e) Ferredoxin serves as an electron donor to the Fe protein, and Fe protein reduces the MoFe protein without any hydrolysing ATP

f) Only prokaryotes have nitrogenase enzyme

Which of the following characteristics of nitrogenase enzyme complex is incorrect?

TLS Online TPP Program

#Question id: 10384

#Unit 6. System Physiology – Plant

Nitrogenase enzyme complex catalyzes the molecular nitrogen fixation, this enzyme not only fixes nitrogen but also perform other reactions given below. Which one is not performed by nitrogenase?

TLS Online TPP Program

#Question id: 29433

#Unit 6. System Physiology – Plant

Correct equation for Biological nitrogen fixation

TLS Online TPP Program

#Question id: 29434

#Unit 6. System Physiology – Plant

Symbiotic biological nitrogen fixation takes place with the association between a host plant and a nitrogen fixing prokaryote as shown in the following table

TLS Online TPP Program

#Question id: 29435

#Unit 6. System Physiology – Plant

Flavonoid's compound release by host plant are given match the following

 Legume Compound
 1. Common bean a. Apigenin
 2. Pea b. Daidzein
 3. Soybean c. naringenin