Practice Questions

TLS Online TPP Program

#Question id: 36246

Which of the following is/are correct about BLOSUM Matrix ?

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

This include pairwise alignment method.
BLOSUM62 indicates that the sequences selected for constructing the matrix share an average identity value of 62%.
The BLOSUM score for a particular residue pair is derived from the log ratio of observed residue substitution frequency versus the expected probability of a particular residue.
It is used for phylogenetics tree construction.

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TLS Online TPP Program

#Question id: 19532

#Section 4: Fundamentals of Biological Engineering

A process unit involves 3 chemical components. How many mass balances can be written?

TLS Online TPP Program

#Question id: 19533

#Section 4: Fundamentals of Biological Engineering

Which of the following does the concept of material balance based upon?

TLS Online TPP Program

#Question id: 19534

#Section 4: Fundamentals of Biological Engineering

The equation of material balance, (Final condition + Sum of outputs) is equal to which of the following?

TLS Online TPP Program

#Question id: 19535

#Section 4: Fundamentals of Biological Engineering

A container has 10 grams of water 5 grams of water is added and 2 grams of water is taken out, what is the final amount of water?

TLS Online TPP Program

#Question id: 19536

#Section 4: Fundamentals of Biological Engineering

Which of the following type of yield is referred to as “Maximum possible yields”?

TLS Online TPP Program

#Question id: 19537

#Section 4: Fundamentals of Biological Engineering

The equation for aerobic production of acetic acid from ethanol is ____________

C2H5OH(ethanol) + O2(acetic acid) → CH3CO2H + H2O

Acetobacter aceti bacteria are added to vigorously-aerated medium containing 10 g l^-1 ethanol. After some time, the ethanol concentration is 2 g l^-1 and 7.5 g l^-1 acetic acid is produced. Calculate the Observed yield.