Diffusion Is BEST Defined As

question 137

Multiple Choice

Diffusion is BEST defined as:

• A)the random motion of individual molecules, with net movement from areas of higher concentration to areas of lower concentration.
• B)the random motion of individual molecules, with net movement from areas of lower concentration to areas of higher concentration.
• C)the highly ordered movement of large groups of molecules from areas of higher concentration to areas of lower concentration.
• D)the highly ordered movement of large groups of molecules from areas of lower concentration to areas of higher concentration.
• E)the transition from individual molecules moving in a random manner to groups of molecules moving in a highly ordered manner.

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Definitions:

Zygomaticus

The zygomaticus refers to two facial muscles, the zygomaticus major and minor, which extend from the cheekbone to the corners of the mouth and are responsible for raising the upper lip, contributing to facial expressions such as smiling.

Sternocleidomastoid

A significant muscle in the neck that is involved in the rotation and flexion of the head.

Tibialis Anterior

A muscle in the lower leg that is involved in dorsiflexion and inversion of the foot.

Biceps Femoris

A muscle of the posterior thigh involved in knee flexion and hip extension, part of the hamstrings group.