Practice Questions

TLS Online TPP Program

#Question id: 1992

How do antibodies of the different classes IgM, IgG, IgA, IgD, and IgE differ from each other ?

#Section 2: General Biology

in the way they are produced
in their heavy chain structure
in the type of cell that produces them
by the antigenic determinants that they recognize

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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.

TLS Online TPP Program

#Question id: 19538

#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 theoretical yield.

TLS Online TPP Program

#Question id: 19539

#Section 4: Fundamentals of Biological Engineering

How many grams of carbon is/are in one mole?

TLS Online TPP Program

#Question id: 19552

#Section 4: Fundamentals of Biological Engineering

What is the molarity of 245.0 g of H₂SO₄ dissolved in 1.000 L of solution?

TLS Online TPP Program

#Question id: 19553

#Section 4: Fundamentals of Biological Engineering

What is the molarity of 5.30 g of Na₂CO₃ dissolved in 400.0 mL solution?