TLS Online TPP Program

#Question id: 11951


Very early in embryonic development, testosterone is formed within the male embryo. What is the function of this hormone at this stage of development?

#Biochemistry
  1. Stimulation of bone growth
  2. Stimulation of development of male sex organs
  3. Stimulation of development of skeletal muscle
  4. Inhibition of luteinizing hormone secretion
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TLS Online TPP Program

#Question id: 404

#Biochemistry

When a mixture of 3-phosphoglycerate and 2-phosphoglycerate is incubated at 25 °C with phosphoglycerate mutase until equilibrium is reached, the final mixture contains six times as much 2-phosphoglycerate as 3-phosphoglycerate.  Which one of the following statements is most nearly correct, when applied to the reaction as written?  (R = 8.315 J/mol·K; T = 298 K)  3-Phosphoglycerate -> 2-phosphoglycerate

TLS Online TPP Program

#Question id: 405

#Biochemistry

When a mixture of glucose 6-phosphate and fructose 6-phosphate is incubated with the enzyme phosphohexose isomerase (which catalyzes the interconversion of these two compounds) until equilibrium is reached, the final mixture contains twice as much glucose 6-phosphate as fructose 6-phosphate.  Which one of the following statements is best applied to this reaction outlined below? (R = 8.315 J/mol·K; T = 298 K) Glucose 6-phosphate -> fructose 6-phosphate

TLS Online TPP Program

#Question id: 406

#Biochemistry

Hydrolysis of 1 M glucose 6-phosphate catalyzed by glucose 6-phosphatase is 99% complete at equilibrium (i.e., only 1% of the substrate remains). Which of the following statements is most nearly correct? (R = 8.315 J/mol·K; T = 298 K)

TLS Online TPP Program

#Question id: 407

#Biochemistry

The reaction A + B -> C has a DG'° of –20 kJ/mol at 25° C.  Starting under standard conditions, one can predict that:

TLS Online TPP Program

#Question id: 408

#Biochemistry

Which of the following compounds has the largest negative value for the standard free-energy change (DG'°) upon hydrolysis?

TLS Online TPP Program

#Question id: 409

#Biochemistry

For the following reaction,DG'° = +29.7 kJ/mol. L-Malate + NAD+ -> oxaloacetate + NADH + H+ The reaction as written: