#Question id: 59
#Unit 1. Molecules and their Interaction Relevant to Biology
Nitrogen (N) normally forms three covalent bonds with a valence of five. However, ammonium has four covalent bonds, each to a different hydrogen (H) atom (H has a valence of one). What do you predict to be the charge on ammonium?
#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: 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: 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?
#Question id: 69
#Unit 1. Molecules and their Interaction Relevant to Biology
Which of the following is the diastereomer of the following compound?