The membrane surrounding the cell * A. nuclear envelope
B. plasma membrane
C. ribosome
D. endoplasmic reticulum

What environmental cues and landmarks do the geese use to determine the timing and direction of their migration over the mountains? how do they find their way?

What is usually (but not always) related to the metabolic processes of living organisms in its organic form?

What would most likely happen to a unicellular organism if it was exposed to a hypotonic solution for an extended period of time?