TLS Online TPP Program

#Question id: 14465


Let Then f(x) has

#Section 1: Engineering Mathematics
  1. a maximum value at x = 2
  2. a maximum value at x = 5
  3. a minimum value at x = 5
  4. neither maximum nor minimum at any point
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TLS Online TPP Program

#Question id: 14361

#Section 5: Bioprocess Engineering and Process Biotechnology

1 m of an enzyme (Mr 160 000) converts 0.192 i.imol/min. This enzyme is made up of four  subunits. Calculate catalytic centre activity

TLS Online TPP Program

#Question id: 14362

#Section 5: Bioprocess Engineering and Process Biotechnology

An experiment requires the use of 5 x 107 units of enzyme. The price for the enzyme is quoted for katal amounts. Allowing for a 20% excess for wastage, pipetting, and so forth, what approximate round number of katals of enzyme would you purchase? 

TLS Online TPP Program

#Question id: 14363

#Section 5: Bioprocess Engineering and Process Biotechnology

Enzyme activity was monitored over the last two stages of an enzyme extraction-separation process. 0.4 g protein, from Stage 5, converted 46 mmol substrate in 10 sec, and 0.02 g protein, from Stage 6, converted 49 mmol in 30 sec. Calculate the specific activities in units/g at each of the two steps 

TLS Online TPP Program

#Question id: 14364

#Section 5: Bioprocess Engineering and Process Biotechnology

Enzyme activity was monitored over the last two stages of an enzyme extraction-separation process. 0.4 g protein, from Stage 5, converted 46 mmol substrate in 10 sec, and 0.02 g protein, from Stage 6, converted 49 mmol in 30 sec. Calculate % increase in activity obtained over the two step  

TLS Online TPP Program

#Question id: 14365

#Section 5: Bioprocess Engineering and Process Biotechnology

0.1 mg of a quaternary structured enzyme (Mr 486 000) with four active sites converts 48 iimol substrate/10 sec. Calculate turnover number (min-1) 

TLS Online TPP Program

#Question id: 14366

#Section 5: Bioprocess Engineering and Process Biotechnology

0.1 mg of a quaternary structured enzyme (Mr 486 000) with four active sites converts 48 mirormol substrate/10 sec. Calculate molecular activity (min^-1), catalytic centre activity (min^-1). -