It enters and or leaves it through two separate mechanisms. One is the Sodium potassium pump which works as a gatekeeper for sodium and potassium ions that go in and out of the cell. This is active transport. Another way how it enters/leaves cells is with the help of passive ion channels where they can cross without much difficulty.
Answer: cell wall
Explanation: a cell wall is a complex protective structure which gives shape and protection to a plant cell.
Among the functions of a cell wall is maintaining the structural integrity of a cell and providing strength. Because a cell wall has semi-permeable outer layer, it filters molecules that pass in and out of the cell hence, acting as a defense structure against a variety of external factors. It has pores and receptors that regulate various functions of the cell.
Answer:
i think its A. i could be wrong im 60% sure im right
Explanation:
Answer:
True
Explanation:
Earthworms are hermaphrodites.
Hermaphrodites ⇒ a person or animal having both male and female organs or other characteristics
[RevyBreeze]
Answer:
rift valley
Explanation:
when two plates spread apart or diverge they create a valley
