Ques:Q: Prokaryotic cells have what structure outside their plasma membrane? Choices: - plasma wall - cell membrane - sodium channel - cell wall A:

Ans:cell wall
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Ques:Q: What is the cause of the "heartburn" that occurs when acidic digestive juices escape into the esophagus? Choices: - toxic reflux - acidic buildup - acid pressure - acid reflux A:

Ans:acid reflux
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Ques:Q: Ionic compounds take on the form of extended three-dimensional arrays of cations and what else? Choices: - oxides - electrons - crystals - anions A:

Ans:anions
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Ques:Q: What is a stream of moving water that flows through the ocean? Choices: - creek - tidal wave - waterfall - current A:

Ans:
current
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