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#Question id: 10187


Which of the following is correct statement

#Introduction to Biochemistry
  1. Isotopes are atoms with the same number of protons but different numbers of neutrons
  2. Isotopes are atoms with the same number of neutrons but different numbers of protons
  3. Isotopes are atoms with the same number of electrons but different numbers of neutrons
  4. Isotopes are atoms with the same number of protons but different numbers of electrons
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#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 ________.

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#Question id: 65

#Bioorganic Chemistry and Metabolites

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

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#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

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#Question id: 69

#Bioorganic Chemistry and Metabolites

Which of the following is the diastereomer of the following compound?

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#Question id: 71

#Bioorganic Chemistry and Metabolites

Which of the following is not the priority rule for R, S Configuration?

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#Question id: 74

#Bioorganic Chemistry and Metabolites

The enthalpy and entropy of the initial and final states of a reacting system are shown in the table. Calculate the change in free energy for the reaction when the temperature is 4°C.