An enzyme is: a. A biological reactant b. A biological product c. A biological catalyst d. a biological co-factor

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Where does most of the mass of an atom come from?

Which of the following elements could form a diatomic molecule? A. gold B. argon C. fluorine D. magnesium

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A straight chain hydrocarbon with a formula C6 H 12 has a triple C-C bond has a double C-C bond is essentially inert has two double C-C bonds

Transport means to move something from one place to another. True False

What are two reasons that ocean water sinks in the Arctic Ocean? A. The surface water is warmer and less salty than normal. B. The surface water is warmer and more salty than normal. C. The surface water is colder and less salty than normal. D.

Which statement best describes the conductivity of weak electrolytes, such as weak acids and bases? A) Weak electrolytes do not dissolve in water and can not conduct electricity.

Two speakers are placed side by side and are described as having constructive interference. How do you know when constructive interference of sound waves has occurred?

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