Peptides or proteins can be localized in the brain using
A) immunocytochemistry.
B) microiontophoresis.
C) in situ hybridization.
D) high-performance liquid chromatography.
E) microelectrodes.

Question

Quizplus · Accepted Answer

Immunocytochemistry is the best choice for localizing peptides or proteins in the brain. This method involves using antibodies that are specific to the peptide or protein of interest, which can then be visualized using fluorescent or enzymatic labeling methods. This allows for precise localization of the peptide or protein within specific cells or brain regions. The other methods listed are not as well-suited for localization of peptides or proteins in the brain. Microiontophoresis involves the injection of small amounts of a substance into brain tissue, which is not precise enough for localization. In situ hybridization is used to identify the presence of specific nucleic acid sequences, not peptides or proteins. High-performance liquid chromatography is used to separate and purify compounds and cannot be used for localization. Microelectrodes are used to measure electrical activity in the brain and cannot be used for localization of peptides or proteins.

Peptides or Proteins Can Be Localized in the Brain Using