Final answer:
The main focus of the video "Membranes & Transport: Crash Course Biology" is C. The video explores the role of membranes in cellular processes.
Step-by-step explanation:
Cellular membranes play a crucial role in various cellular processes, and the video emphasizes this by delving into the intricate functions and significance of membranes within biological systems. It highlights how membranes serve as dynamic barriers, regulating the passage of molecules and ions, which is essential for maintaining cellular homeostasis.
Additionally, the video likely elaborates on how membranes facilitate processes such as diffusion, osmosis, and active transport, contributing to the overall functionality and integrity of cells. Understanding the role of membranes in cellular processes is fundamental to comprehending the complexities of biological systems option C, and the video likely provides insights into the pivotal role membranes play in ensuring the proper functioning of cells.
Overall, by focusing on the role of membranes in cellular processes, the video aims to enhance viewers' understanding of the intricate mechanisms that govern the functioning of living organisms at the cellular level.