Humans,who Have _____ Types of Receptor Cells for Smell,can Distinguish

question 47

Multiple Choice

Humans,who have _____ types of receptor cells for smell,can distinguish more than ______ separate smells.

• A) 5; 1 million
• B) 5; 1 trillion
• C) 350; 1 million
• D) 350; 1 trillion

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Definitions:

Molecular Geometry

The three-dimensional arrangement of atoms within a molecule, determined by the spatial distribution of electrons and the resulting chemical bonds.

Water Molecule

A molecule consisting of two hydrogen atoms bonded to one oxygen atom, represented chemically as H2O.

Molecular Shape

The three-dimensional arrangement of atoms within a molecule, determined by the chemical bonds and electron pairs surrounding the central atom.

Carbon Monoxide

A colorless, odorless, and toxic gas, consisting of one carbon atom and one oxygen atom.