**Core Concept**
Aerobic glycolysis is a metabolic pathway that converts glucose into pyruvate, producing a net gain of ATP molecules. This process occurs in the presence of oxygen and involves the coordinated action of several enzymes and transport proteins.

**Why the Correct Answer is Right**
Aerobic glycolysis yields a net gain of 2 ATP molecules per glucose molecule, in addition to the 2 NADH molecules produced, which can contribute to the electron transport chain and ultimately produce 6 ATP molecules. However, the net ATP yield is calculated by subtracting the energy invested in the glycolytic pathway (4 ATP molecules) from the total ATP produced (2 glycolytic ATP + 6 ATP from NADH). This results in a net gain of 4 ATP molecules per glucose molecule. Since the question asks for the net amount of ATP's formed, the correct answer is 4 x 2 = 8 ATP molecules per glucose molecule.

**Why Each Wrong Option is Incorrect**
**Option A:** This option is incorrect because it underestimates the net ATP yield of aerobic glycolysis.
**Option C:** This option is incorrect because it overestimates the net ATP yield of aerobic glycolysis.
**Option D:** This option is incorrect because it includes the 2 ATP molecules invested in the glycolytic pathway, which are not part of the net gain.

**Clinical Pearl / High-Yield Fact**
Aerobic glycolysis is an essential process in cells that require rapid energy production, such as muscle cells during intense exercise. The net ATP yield of aerobic glycolysis is critical for understanding the metabolic adaptations that occur in different tissues and conditions.

**✓ Correct Answer: B. 8**