#Question id: 59
#SCPH01 Biochemistry
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: 5761
#SCPH28 | Zoology
E. coli cells were spread on an agar plate, producing 1000 colonies. The colonies are replica plated on two agar plates containing the antibiotic kanamycin and one agar plate without antibiotics. All of the colonies are able to grow on the agar plate without antibiotic but only 4 colonies are able to grow on each of the agar plates containing kanamycin. You notice that the four colonies that grew on each of the kanamycin containing plates are in the exact same position. This demonstrates
#Question id: 2651
#SCPH06 I Botany
In the presence of lactose, how long does it take for the lac operon to be expressed?
#Question id: 328
#SCPH06 I Botany
Which of the following interaction occurs between a permanent dipole and a neutral molecule?
#Question id: 15208
#SCPH05 I Biotechnology