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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.

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TLS Online TPP Program

#Question id: 1270

#Unit 4. Cell Communication and Cell Signaling

Which of the following is a major extracellular molecule in mammals containing no protein portion?
TLS Online TPP Program

#Question id: 11091

#Unit 7. System Physiology – Animal

A diver is breathing 10% O2 at a pressure of 2000 mm Hg. The diver’s body temperature is 37°C, and PCO2 = 32 mm Hg. What is the alveolar PO2?
TLS Online TPP Program

#Question id: 27977

#Unit 1. Molecules and their Interaction Relevant to Biology

Respiratory complexes tightly associate with each other in the inner membrane to form respirasomes 
a. I, II, III by Cytcox
b. III-IV by UQH2 ⇌ UQ 
c. I, II, III by UQH2 ⇌ UQ 
d. III-IV by Cytcox
TLS Online TPP Program

#Question id: 3754

#Unit 3. Fundamental Processes

Thymine makes up 28% of the nucleotides in a sample of DNA from an organism. Approximately what percentage of the nucleotides in this sample will be guanine?
TLS Online TPP Program

#Question id: 1679

#Unit 4. Cell Communication and Cell Signaling

What is the molecular weight of MHC class II β chain?