A. They both have a mitochondria
Answer: True
Explanation: Ion channels are very specific and are voltage gated channels. They are highly specific and selective for particular ions only.
Example: Some of the channels allow the flow of potassium ions but do not allow sodium ions to cross the membrane to maintain the concentration.
Some of the positive ion channels allow only the movement of positive ions and no negative ions. These channels are not always open and opens only when there is a concentration gradient.
Answer:
rock1 Granite
rock2 gneiss
rock3 marble
rock4 obsidian
rock5 slate
rock6 conglomerate
Explanation: Im just big brains
Answer:
Legs
Explanation:
They help an organism move
