TLS Online TPP Program

#Question id: 9581


These four Photosystem II, Cytochrome b6 f, Photosystem I and ATP synthase integral membrane complexes are vectorially oriented in the thylakoid membrane to function as follows, find out the incorrect statements;

#Section 2: General Biology
  1. Photosystem II oxidizes water to O2 in the thylakoid lumen and in the process releases protons into the lumen
  2. Cytochrome b6 f receives electrons from PSI and delivers them to PSII It also transports additional protons into the lumen from the stroma
  3. Photosystem I reduces NADP+ to NADPH in the stroma by the action of ferredoxin (Fd) and the flavoprotein ferredoxin–NADP reductase (FNR)
  4. ATP synthase produces ATP as protons diffuse back through it from the lumen into the stromaprotein ferredoxin–NADP reductase
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TLS Online TPP Program

#Question id: 14394

#Section 5: Bioprocess Engineering and Process Biotechnology

1.0 timol of an enzyme that contains five active sites per molecule converts 1.0 pmol substrate every 2 microseconds. Calculate catalytic centre activity (sec^-1). ......10^5

TLS Online TPP Program

#Question id: 14395

#Section 5: Bioprocess Engineering and Process Biotechnology

An enzyme is available at a specific activity of 500 units/mg protein. For an assay, 10miro mole substrate need to be converted per minute. What mass (in mg) of protein would you take for this to be achieved? 

TLS Online TPP Program

#Question id: 14396

#Section 5: Bioprocess Engineering and Process Biotechnology

A purified hydrolytic enzyme (Mr 150 000) is available with the description: Gives a Vmax of 3 200 units/mg protein under optimal conditions. How many micromoles of substrate can be hydrolysed by 1 mg of protein in 1 minute  

TLS Online TPP Program

#Question id: 14397

#Section 5: Bioprocess Engineering and Process Biotechnology

A purified hydrolytic enzyme (Mr 150 000) is available with the description: Gives a Vmax of 3 200 units/mg protein under optimal conditions. How many nmol of enzyme are there in 1 mg  

TLS Online TPP Program

#Question id: 14398

#Section 5: Bioprocess Engineering and Process Biotechnology

The internal effectiveness factor is useful because , which statement is not correct 

TLS Online TPP Program

#Question id: 14399

#Section 5: Bioprocess Engineering and Process Biotechnology

 observable Thiele modulus CD decreases when