Biomolecules and the Chemistry of Life Charged and Ready True Or False

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1.	Electrons and neutrons are -> repulsed by each other because electrons are negative and neutrons are positive. True False
2.	Atoms that vary in the number of neutrons they contain are called -> isotopes. True False
3.	Polarity is the result of -> the unequal sharing of electrons between covalently bonded atoms. True False
4.	When a water strider stands on the surface of a pond without sinking, he is taking advantage of -> the fact that ice floats. True False
5.	Water can act as a buffer because -> water is neutral. True False
6.	Organic molecules -> include all molecules that have some carbon. True False
7.	Carbohydrates are useful for all the following purposes EXCEPT -> catalyzing reactions. True False
8.	Phospholipids are made of -> two fatty acids and a phosphate group bound to a glycerol backbone. True False
9.	Which of the following are proteins? -> ATP synthase – an enzyme that produces ATP. True False
10.	Which of the following traits is NOT shared by DNA and RNA? -> They both have the nucleotides adenine, cytosine, and guanine. True False

Biomolecules and the Chemistry of Life True or False

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