When a region of DNA must be repaired by removing and replacing some of the nucleotides, what ensures that the new nucleotides are in the correct sequence?

#Question id: 49

#Bioorganic Chemistry and Metabolites

The equilibrium constant, Keq, for the following reaction is 2 × 105 M: If the measured cellular concentrations are [ATP] = 5 mM, [ADP] = 0.5 mM, and [Pi] = 5 mM, on the basis of the above information calculate the Keq in living cells?

#Question id: 60

#Bioorganic Chemistry and Metabolites

Which of the following is true for the reaction?

3H₂ + N₂   2NH₃

#Question id: 63

#Bioorganic Chemistry and Metabolites

The two molecules shown in the figures are best described as ________.

#Question id: 64

#Bioorganic Chemistry and Metabolites

Testosterone and estradiol are male and female sex hormones, respectively, in many vertebrates. In what way(s) do these molecules differ from each other? Testosterone and estradiol ________.

#Question id: 65

#Bioorganic Chemistry and Metabolites

Identify which of the following pair is enantiomers, diastereomers or meso compounds.

#Question id: 68

#Bioorganic Chemistry and Metabolites

Match the following functional groups given in column I with their respective representatives given in column II.

COLUMN I               COLUMN II

1. Anhydride               a. RCOOR

2. Ether                       b. ROCOCH3

3. Acetyl                     c. ROR

4. Amido                     d. RCOOCOR

5. Ester                        e. RCONH2