Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 54722
TLS Online TPP Program

#Question id: 532

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?

#Unit 1. Molecules and their Interaction Relevant to Biology

  1. If the concentrations of the two products are high relative to that of fructose 1,6-bisphosphate.

  2. The reaction will not go to the right spontaneously under any conditions because the DG'° is positive.

  3. Under standard conditions, enough energy is released to drive the reaction to the right.

  4. When there is a high concentration of fructose 1,6-bisphosphate relative to the concentration of products.

More Questions
TLS Online TPP Program

#Question id: 1292

#Unit 4. Cell Communication and Cell Signaling

Heparan sulfate, an example of a(n) _____________, aids in the activation of ____________.
TLS Online TPP Program

#Question id: 12998

#Unit 1. Molecules and their Interaction Relevant to Biology

Match with appropriate bonding pattern
TLS Online TPP Program

#Question id: 4152

#Unit 3. Fundamental Processes

The pathway for polypeptides exported from E. coli includes the following steps, which occur in what order for correct export?

1.  A chaperone, SecA, binds to the polypeptide.

2.  A chaperone, SecB, binds to the polypeptide.

3.  ATP is hydrolyzed by Sec A.

4.  SecA pushes 20 amino acids of the polypeptide into the translocation complex.
TLS Online TPP Program

#Question id: 12041

#Unit 7. System Physiology – Animal

Which of the following is not normally found in abundance in the portal blood?
TLS Online TPP Program

#Question id: 18579

#Unit 7. System Physiology – Animal

When the body is in a state of physiological equilibrium, it is said to be in a state of ______.