What Is the Chemical Formula for Cinnabar

question 106

Multiple Choice

What is the chemical formula for cinnabar?

• A) HgS
• B) SnBr
• C) SnO₂
• D) TiO₂
• E) SnBr₄

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Definitions:

G Protein

A class of proteins that act as molecular switches inside cells, involved in transmitting signals from various stimuli outside a cell to its interior.

Receptor Molecules

Proteins located on the cell surface or within cells that bind specific substances, triggering a biological response.

Up-regulation

refers to the process of increasing the response to a stimulus, often involving an increase in the number of receptors on a cell's surface.

Receptor Sites

Specific locations on cell surfaces or within cells where molecules, such as hormones or neurotransmitters, bind to elicit a response.