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TLS Online TPP Program

#Question id: 21242

A 28-year-old male with severe myopia made an appointment to see his ophthalmologist when he began to notice flashing lights and floaters in his visual fi eld. He was diagnosed with a retinal detachment. The retina

#Unit 7. System Physiology – Animal
  1. is epithelial tissue that contains photoreceptors
  2. lines the anterior one-third of the choroid.
  3. has an inner nuclear layer that contains bipolar cells, horizontal cells, and amacrine cells
  4. contains an optic disk where visual acuity is greatest.
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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
TLS Online TPP Program

#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 1. Molecules and their Interaction Relevant to Biology

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: 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