Agar Replaced Gelatin as the Gelling (Solidifying) Agent for Media

question 50

Multiple Choice

Agar replaced gelatin as the gelling (solidifying) agent for media because

• A) agar provides nutrients for rapid bacterial growth.
• B) fewer bacteria can break down agar compared with gelatin.
• C) agar is solid at temperatures as high as 90°C.
• D) agar provides a pH range from 4-11.
• E) agar is much easier to obtain than gelatin.

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Definitions:

Radial Nerve

A nerve in the arm that supplies motor and sensory function to parts of the arm and hand, including the triceps and the extensor muscles of the forearm.

Triceps Brachii

A three-headed muscle located on the back of the upper arm, responsible for extending the forearm at the elbow.

Hindlimb

The back limbs of a quadruped animal, involved in locomotion and supporting the animal’s weight.

Common Fibular Nerve

A nerve in the lower leg that branches from the sciatic nerve and provides sensation and motor function to parts of the leg.