i think the correct answer is B considering that the channels are not always open for the protons to freely diffuse through the inner membrane.
Answer: b
Explanation:
An open system is when nutrients and waste are moved through the body freely through the body cavity, rather than being enclosed in veins.
Answer: True
Explanation: They need to replicate their DNA so the daughter cells hold the same genetic information when the parent cell divides
Answer:
Anything that has mass and occupies space.
Explanation:
Answer:
An explanation inspires new questions and the process of making new observations.
Explanation: