#Question id: 62
#Unit 1. Molecules and their Interaction Relevant to Biology
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: 63
#Unit 1. Molecules and their Interaction Relevant to Biology
The two molecules shown in the figures are best described as ________.
#Question id: 64
#Unit 1. Molecules and their Interaction Relevant to Biology
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
#Unit 1. Molecules and their Interaction Relevant to Biology
Identify which of the following pair is enantiomers, diastereomers or meso compounds.
#Question id: 66
#Unit 1. Molecules and their Interaction Relevant to Biology
Which of the following statements regarding isomerism is incorrect regarding biomolecules?
#Question id: 67
#Unit 1. Molecules and their Interaction Relevant to Biology
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?