About two-thirds of a cell is composed of water. what is the name of the process in which water moves into or out of the cell membrane to maintain homeostasis?
a) regulation
b) endocytosis
c) exocytosis
d) osmosis

D is the correct answer. Osmosis is the process by which water moves into or out of the cell membrane to maintain homeostasis. The membrane must be partially permeable for this to occur. Water moves from a less concentrated solution to a more concentrated solution.

Ithink the dna sequences may vary but the amino acid sequences are identical. 

1) clean up you lab area2) dispose of the chemicals as instructed by your teacher3) put everything back where it belongs unless your teacher tells you otherwise4) dispose of gloves5) wash hands with soap and water