The Two Families of Fundamental Particles Out of Which All

question 22

Multiple Choice

The two families of fundamental particles out of which all ordinary matter is made are

• A)protons and neutrons.
• B)leptons and quarks.
• C)electrons and neutrinos.
• D)quarks and neutrinos.
• E)leptons and photons.

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Definitions:

Steroid

A type of organic molecule with a characteristic arrangement of four cycloalkane rings joined together; important in cell membrane structure and signaling.

Chair Conformation

A three-dimensional geometric shape that is the most stable and common conformation of cyclohexane, resembling a chair.

Axial

Relating to a position or direction along the axis of a structure or molecule, often used in the context of molecular geometry.

Sex Hormones

Chemical substances that serve as messengers affecting the function of specific target organs responsible for secondary sex characteristics and reproductive activity.