Ques:Q: Some membranes have what kind of surfaces exposed to the cytoplasm? Choices: - outer - obstructionary - bilayer - hydrophobic A:

Ans:hydrophobic
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Ques:Q: What substance can be identified by their atomic number and mass number? Choices: - structures - compounds - solutions - elements A:

Ans:elements
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Ques:Q: What term describes how close estimates are to one another? Choices: - precise - Distant - efficiency - precision A:

Ans:precision
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Ques:Q: Energy is the capacity to do work or to produce what? Choices: - vibration - light - humidity - heat A:

Ans:
heat
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