#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: 12019
#Unit 10. Ecological Principles
#Question id: 23301
#General Aptitude
#Question id: 9620
#Unit 9. Diversity of Life Forms
The two extant species that are most closely related to each other are
#Question id: 5433
#Unit 8. Inheritance Biology
Two varieties of maize averaging 120 and 80 inches in height, respectively, are crossed. The F1 progeny is quite uniform averaging 100 inches in height. If height is control by 3 pair of polygene, what is proportional of averaging phenotype in their F2 progeny?