Cell theory was fdiscovered in the 17th century. but the first. cell theory was credited in the 19th century.
Answer: . An organelle (think of it as a cell's internal organ) is a membrane bound structure found ... There are actually two different endoplasmic reticuli in a cell: the smooth ... which project into the extracellular space and act like a name tag for the cell.
Explanation:
If an animal cell is surrounded by fresh water, the water will move within the cell causing the cell to become turgid and eventually will burst.
Therefore the most suitable answer is option D.
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