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?

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#Question id: 6956

#SCPH01 Biochemistry

The central nervous system is derived from _____, the axial skeleton is derived from _____, and the muscles of the trunk are derived from _____?

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#Question id: 10948

#I Life Science/ Life Sciences Group – I-V

Fluid exudation into the tissue in the acute inflammatory reaction is due to

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#Question id: 18898

#SCPH01 Biochemistry

Iodine-123, Iodine-125, Iodine-129, Iodine-131 are the radioactive compound having radioactive properties and used as for the diagnosis of

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#Question id: 4342

#SCPH05 I Biotechnology

Suppose an experimenter becomes proficient with a technique that allows her to move DNA sequences within a prokaryotic genome. If a researcher moves the operator to the far end of the operon, past the transacetylase (lacA) gene, which of the following processes would likely occur when the cell is exposed to lactose?

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#Question id: 2336

#SCPH28 | Zoology

Which of the following exhibit the 9 + 2 structure of microtubules?