perpheral membrane protiens
The answer is True. Hope this helps.
The alignment of the earth, moon, and sun during a solar eclipse is Sun, Earth, moon.
<u>Answer</u>: an all or none response
According to the all-or-none law, it a certain threshol is crossed by a stimulus' strenght, it will cause a response in the nerve cell or muscle fiber. However, the strenght of the response will always be the same and will not vary with different stimulus strengths. The only requirement is for the threshold to be crossed.
If a pair of Organisms are capable of producing fertile offspring in nature they must belong to the same species