TLS Online TPP Program

#Question id: 2668


The toxic shock syndrome toxin is produced by some Salmonella species when there is not sufficient iron present. When iron is present, it prevents transcription of the TSS-toxin gene. Iron therefore serves as __________.

#Unit 2. Cellular Organization
  1. a corepressor

  2. an inducer

  3. a positive fashion

  4. a regulatory protein

More Questions
TLS Online TPP Program

#Question id: 28073

#Unit 6. System Physiology – Plant

Which of the following is correct regarding ATP & NADPH synthesis and its physiological environment 
(a) ATP & NADPH is synthesized in Stroma
(b) ATP & NADPH is synthesized in Lumen
(c) STROMA is alkaline and similar to Mitochondrial matrix
(d) STROMA is acidic and similar to Mitochondrial matrix
Which of the following is correct

TLS Online TPP Program

#Question id: 28074

#Unit 6. System Physiology – Plant

P680 & P700 exist in various state, and each state have their own different properties 
(a) P680    -   absorbs light  
(b) P680+   -     strongest oxidant 
(c) P680  -     strongest reductant 
(d) P700   -    absorbs light 
(e) P700* -     strongest reductant 
Which of the following is correct 

TLS Online TPP Program

#Question id: 28075

#Unit 6. System Physiology – Plant

P680 & P700 exist in various state such as reductant, strongest reductant, oxidant and strongest oxidant 
 Match then correctly

TLS Online TPP Program

#Question id: 28076

#Unit 6. System Physiology – Plant

Choose the correct statement regarding Water splitting 
(a) Water splitting is oxidation reaction takes place in lumen
(b) Water splitting takes place at - reduction potential
(c) Water splitting takes place at + reduction potential
(d) NADPHformation is reduction reaction takes place in stroma

TLS Online TPP Program

#Question id: 28077

#Unit 6. System Physiology – Plant

The catalytic site for water oxidation in lumen is a

TLS Online TPP Program

#Question id: 28078

#Unit 6. System Physiology – Plant

Chlorophyll functions on the phenomenon of absorption of light and shows excitation of electron
(a) Chlorophyll absorbs blue or red light 
(b) blue light absorption resulting in a higher excited state 
(c) red light absorption resulting in a higher excited state 
(d) From IInd exited state returning ground state heat will be observed from blue and fluorescence from red light
Which of the following is incorrect