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

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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.

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

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