Practice Questions

TLS Online TPP Program

#Question id: 2110

According to the fluid mosaic model of cell membranes, phospholipids:

#Section 3: Genetics, Cellular and Molecular Biology

can move laterally along the plane of the membrane
frequently flip-flop from one side of the membrane to the other
occur in an uninterrupted bilayer, with membrane proteins restricted to the surface of the membrane
have hydrophilic tails in the interior of the membrane

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TLS Online TPP Program

#Question id: 15490

#Section 4: Fundamentals of Biological Engineering

Respiratory Quotient is given by

TLS Online TPP Program

#Question id: 15491

#Section 4: Fundamentals of Biological Engineering

The respiratory coefficient for the reaction is defined as

TLS Online TPP Program

#Question id: 15492

#Section 4: Fundamentals of Biological Engineering

Assume that experimental measurements for a certain organism have shown that cells can convert two-thirds (wt/wt) of the substrate carbon to biomass carbon. Calculate the stoichiometric coefficients for the following biological reactions:

Hexadecane: C₁₆H₃₄ + aO₂ + bNH₃

c(C_4.4H_7.3N_0.86O_1.2) + dH₂O + eCO₂

TLS Online TPP Program

#Question id: 15493

#Section 4: Fundamentals of Biological Engineering

Assume that experimental measurements for a certain organism have shown that cells can convert two-thirds (wt/wt) of the substrate carbon to biomass carbon. Calculate the stoichiometric coefficients for the following biological reactions:

Glucose: C₆H₁₂O₆ + aO₂ + bNH₃ c(C_4.4H_7.3N_0.86O_1.2) + dH₂O + eCO₂

TLS Online TPP Program

#Question id: 15494

#Section 4: Fundamentals of Biological Engineering

Assuming that cells convert two-thirds (w/w) of the substrate to biomass, the stoichiometric coefficient (1 only) for glucose utilisation for the following reaction is

TLS Online TPP Program

#Question id: 15495

#Section 4: Fundamentals of Biological Engineering

Calculate the degree of reduction for following substrates: