The Most Ancient of the Energy Pathways Among Organisms Is

question 27

Multiple Choice

The most ancient of the energy pathways among organisms is probably

• A) aerobic respiration.
• B) photosynthesis.
• C) glycolysis.
• D) Calvin cycle.
• E) Krebs cycle.

---

Definitions:

Serratus Anterior

The serratus anterior is a muscle on the side of the chest that helps in the upward movement of the arm and plays a crucial role in the movement of the scapula.

Rhomboideus Major

A muscle in the upper back that helps with the movement of the shoulder blade.

Subclavius

The Subclavius is a small muscle located beneath the clavicle, playing a role in stabilizing the clavicle.

Pectoralis Minor

A thin, triangular muscle located beneath the pectoralis major muscle on the chest, participating in movements of the shoulder girdle.