In their laboratory simulations of the early Earth, Miller and Urey observed the abiotic synthesis of

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#Question id: 48

#XL - Q Biochemistry

Which of the following statements regarding enantiomers true?

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#Question id: 50

#XL - Q Biochemistry

The enzyme fumarase catalyzes the reverse hydration of fumaric acid to l-malate, but it will not catalyze the hydration of maleic acid, the cis isomer of fumaric acid. This is an example of:

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#Question id: 51

#XL - Q Biochemistry

 If the equilibrium constant, Keq, for the reaction ATP → ADP + Pi is 2.22 × 10⁵ M, calculate the standard free-energy change, ΔG°, for the synthesis of ATP from ADP and Pi at 25 °C.

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#Question id: 52

#XL - Q Biochemistry

Choose the incorrect option regarding Isomerism.

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#Question id: 54

#XL - Q Biochemistry

About 25 of the 92 natural elements are known to be essential to life. Which 4 of these 25 elements make up approximately 96% of living matter?

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#Question id: 55

#XL - Q Biochemistry

The standard free energy change for the reaction A → B is −15.0 kJ · mol−1. What is the equilibrium constant for the reaction at 25°C?