Cell Structure and Compartments
An organism's first line of defense against attack by an invader such as a virus or bacterium is usually

a specific immune response
to flee or hide
a nonspecific immune response
its body wall

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Cell Structure and Compartments
Lysosomes are specialized vesicles in __________ that contain digestive enzymes for the breakdown of food. A related organalle known as a vacuole, which is found in __________ , also contains enzymes but in addition may act as a storage organelle for nutrients or water.

plants; animals and fungi
plants and fungi; animals
animals; plants and fungi
animals and plants; fungi

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