The brain and the skull the skull protects the brain
Answer:
Having a cell membrane ,with pores; that regulates substances entering and leaving the cells;
cytoplasm;contains sugar and salts for maintaining it's osmotic pressure; also has a liquid medium; for all biochemical reactions;
having nucleus; contains chromosomes having heridetary material; and controls all activities of the cells.
This should help you I hope the answer is right!
Answer:
helping creating the double helix
