TLS Online TPP Program

#Question id: 1211


Which mutant form of ras is likely to cause malignancy?

#Unit 4. Cell Communication and Cell Signaling
  1. ras that cannot hydrolyze GTP

  2. ras that cannot bind to GTP

  3. ras that cannot bind to Grb2 or Sos

  4. ras that cannot bind to Raf

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TLS Online TPP Program

#Question id: 464

#Unit 1. Molecules and their Interaction Relevant to Biology

Calculate the equilibrium constant for an oxidation-reduction reaction involving the transfer of 1 mole of electrons with DE0สน= 0.25 V. (R = 8.315 JK-1mol-1, F = 96.48 kJV-1mol-1, T = 298 K)

TLS Online TPP Program

#Question id: 465

#Unit 1. Molecules and their Interaction Relevant to Biology

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

#Unit 1. Molecules and their Interaction Relevant to Biology

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

#Unit 1. Molecules and their Interaction Relevant to Biology

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: 468

#Unit 1. Molecules and their Interaction Relevant to Biology

Glycolysis is the name given to a metabolic pathway occurring in many different cell types.  It consists of 11 enzymatic steps that convert glucose to lactic acid.  Glycolysis is an example of

TLS Online TPP Program

#Question id: 469

#Unit 1. Molecules and their Interaction Relevant to Biology

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