Both plant and animal cells have membranes so whatever chemical reactions they have going inside the cell, it is regulated and maintained. Membranes help separate the internal environment from the external environment.
Hope this helps - I'm currently in cell biology so this question is interesting
multiply the power of the eyepiece and objective lense Explanation:
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floor rocks were also symmetrical on both sides of the ridge, with the youngest rocks near the center and the oldest rocks farther away. This suggests that new rocks form at the center of ridges and then move away in the opposite directions.
Explanation:
Answer:
C
Explanation:
It goes in order and steps of what happens first and what occurs because of it