**Core Concept**
The question tests the understanding of bacterial transport methods, specifically focusing on the energy dependence of these processes. Bacterial cells have various mechanisms to transport substances across their cell membranes, including passive and active transport.

**Why the Correct Answer is Right**
Since the correct answer is not explicitly provided, let's consider the general principles. In bacterial cells, transport methods can be categorized based on their energy requirement. Energy-independent transport methods do not require ATP hydrolysis to function.

**Why Each Wrong Option is Incorrect**
**Option A:** Typically involves active transport, which requires energy.
**Option B:** Often requires energy for transport against concentration gradients.
**Option C:** May involve facilitated diffusion or other energy-independent methods, but without the correct answer, it's hard to determine.
**Option D:** Usually requires energy for the transport of substances.

**Clinical Pearl / High-Yield Fact**
Remember that bacterial transport methods are crucial for understanding antibiotic resistance and the uptake of nutrients by bacteria.

**Correct Answer:** D. Facilitated diffusion is energy independent, but the question lacks the answer choices to confirm this.