Answer:
I can't see the whole question
It would be A to protect and support the cell hope this helps
Answer: the cell membrane helps to maintain homeostasis levels
Homeostasis in an organism or colony of single celled organisms is regulated by secreted proteins and small molecules often functioning as signals. Homeostasis in the cell is maintained by regulation and by the exchange of materials and energy with its surroundings.
Explanation:
Answer:
8 electrons
Explanation:
This gives each hydrogen atom two electrons in its outer energy level, which is full. It also gives oxygen 8 electrons in its outer energy level, which is also full.
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B. long fibres in celery
(I've done an experiment in my science class once on xylem tissue on celery)
