If the expected frequency of heterozygotes in a population (based on the Hardy–Weinberg law) is 0.4, but the observed frequency is 0.2, what is the inbreeding coefficient?

TLS Online TPP Program

#Question id: 29438

#Unit 6. System Physiology – Plant

Symbiotic nitrogen fixation in legume nodules involves Root hair cellular responses to bacterial Nod factor and this response is time-based phenomenon

Match the Response with their appropriate timing

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#Question id: 29439

#Unit 6. System Physiology – Plant

Nitrogenase, a complex metal containing enzyme is involved in conversion of N2 to NH3•

a. Nitrogenase is composed of two component proteins

b. Nitrogenase is a complex consisting of the MoFe protein (dinitrogenase or component I) a heterotetramer

c. Nitrogenase is a complex consisting of the MoFe protein (dinitrogenase or component I) a heterotetramer

d. Fe protein (dinitrogenase reductase or component II) a heterodimer

Which of the combination of above statement about Nitrogenase is INCORRECT

TLS Online TPP Program

#Question id: 29440

#Unit 6. System Physiology – Plant

Nitrogenase is a complex consisting of the 

(a) MoFe protein (dinitrogenase or component I) a heterotetramer

(b) the Fe protein (dinitrogenase reductase or component II) a heterotetramer

(c) MoFe protein (dinitrogenase or component I) a homodimer.

(d) the Fe protein (dinitrogenase reductase or component II) a homodimer

Which of the following is correct 

TLS Online TPP Program

#Question id: 29441

#Unit 6. System Physiology – Plant

Nitrogenase is a complex consisting of the MoFe protein Fe protein,

Here few of the statement are given regarding Fe protein is given 

(a) contains 2 identical subunits (dimer) – nif H

(b) Each subunit has MW of 30 ~ 72 kD.

(c) Each subunit contains an Fe-S cluster (4Fe and 4S2-).

(d) Each subunit has 2 Mo-Fe-S clusters

Which of the following is true regarding Fe protein

TLS Online TPP Program

#Question id: 29442

#Unit 6. System Physiology – Plant

Some of the following statement are given regarding MoFe protein

(a) 2 pairs of identical subunits (tetramer, nif D & nif K)

(b) A total of MW 180 ~ 235kD

(c) Each subunit has 2 Mo-Fe-S clusters.

(d) MoFe proteins are insensitive to O₂

Which of the following is incorrect

TLS Online TPP Program

#Question id: 29443

#Unit 6. System Physiology – Plant

The nitrogenase enzyme complex has the characteristics listed below

(a) Fe protein is connected to ferredoxin

(b) Fe protein is involved in ATP Hydrolysis 

(c) MoFe protein is involved in the oxidation of N2 to NH3 

(d) MoFe protein is involved in the reduction of N2 to NH3

Which of the following is true