#Question id: 62
#Section C (Domain-Specific Knowledge)
We can represent atoms by listing the number of protons, neutrons, and electrons—for example, 2p+, 2n0, 2e- for helium. Which of the following represents the 18O isotope of oxygen?
#Question id: 64
#Section C (Domain-Specific Knowledge)
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
#Section C (Domain-Specific Knowledge)
Identify which of the following pair is enantiomers, diastereomers or meso compounds.
#Question id: 66
#Section C (Domain-Specific Knowledge)
Which of the following statements regarding isomerism is incorrect regarding biomolecules?
#Question id: 67
#Section C (Domain-Specific Knowledge)
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: 68
#Section C (Domain-Specific Knowledge)
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