TLS Online TPP Program

#Question id: 15999


Toxicity due to accumulation of ammonia can be overcome

#Section 6: Plant, Animal and Microbial Biotechnology
  1. by substituting glutamine by glutamate
  2. by controlled addition of glutamine at low level
  3. by removal of ammonia or ammonium from culture medium
  4. all of the above
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TLS Online TPP Program

#Question id: 465

#Section 4: Fundamentals of Biological Engineering

If the standard reduction potential of a certain half-reaction is -0.30 V, which statement below is true for this half-reaction to proceed as a reduction?

TLS Online TPP Program

#Question id: 466

#Section 4: Fundamentals of Biological Engineering

When a reduction half-reaction is ________ (negative, positive), electrons flow to the more readily reduced substance which is ________ (negative, positive) in value.

TLS Online TPP Program

#Question id: 467

#Section 4: Fundamentals of Biological Engineering

The standard potential for electron transfer can be related to the standard free-energy change for redox reactions by using

TLS Online TPP Program

#Question id: 469

#Section 2: General Biology

The anaerobic conversion of 1 mol of glucose to 2 mol of lactate by fermentation is accompanied by a net gain of:

TLS Online TPP Program

#Question id: 532

#Section 4: Fundamentals of Biological Engineering

In glycolysis, fructose 1,6-bisphosphate is converted to two products with a standard free-energy change (DG'°) of 23.8 kJ/mol.  Under what conditions (encountered in a normal cell) will the free-energy change (DG) be negative, enabling the reaction to proceed to the right?

TLS Online TPP Program

#Question id: 533

#Section 4: Fundamentals of Biological Engineering

Glucose, labeled with 14C in different carbon atoms, is added to a crude extract of a tissue rich in the enzymes of the pentose phosphate pathway.  The most rapid production of 14CO2 will occur when the glucose is labeled in: