The molecule that can MOST easily pass through the plasma membrane without assistance is carbon dioxide (CO2). Diffusion is a type of passive transport that occurs when molecules move in favor of a concentration gradient.
During diffusion, molecules move high concentration to a region of low concentration.
Oxygen (O2) and carbon dioxide (CO2) are non-polar gasses that move across cell membranes by a process called simple diffusion.
Simple diffusion is a type of passive transport that does not require energy to move substances across cell membranes.
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Diffusion is the correct answer. Air freshening molecules spread through the room through random diffusion.
Answer:
.E. All of the preceding statements are TRUE.
Explanation:
It's not mechanism
The correct answer is A, a good hypothesis does not have to be complex
