Practice Questions

TLS Online TPP Program

#Question id: 1390

Which of the following statements describes the events of apoptosis?

#Section 3: Genetics, Cellular and Molecular Biology

The cell dies, it is lysed, its organelles are phagocytized, and its contents are recycled.
The cell's DNA and organelles become fragmented, the cell dies, and it is phagocytized.
The cell's DNA and organelles become fragmented, the cell shrinks and forms blebs, and the cell's parts are packaged in vesicles that are digested by specialized cells.
The cell's nucleus and organelles are lysed, and then the cell enlarges and bursts.

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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?