Nematocysts Are Expelled When the

question 26

Multiple Choice

Nematocysts are expelled when the

• A) osmotic pressure reaches 140 atmospheres.
• B) hydrostatic pressure exceeds the osmotic pressure.
• C) internal hydrostatic pressure increases when water enters.
• D) cnidocil stimulates the cnidocyte to decrease hydrostatic pressure and increase osmotic pressure.
• E) None of the choices are correct

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