Multiple Choice Quiz

Please answer all questions


1	How many electrons would be found in an atom with an atomic mass of 36?
		A)	36.
		B)	24.
		C)	18.
		D)	9.


2	Isotopes vary in the number of
		A)	protons.
		B)	neutrons.
		C)	electrons.
		D)	protons and electrons.


3	Hydrogen bonds
		A)	are strong covalent bonds.
		B)	are responsible for many of the biological properties of water.
		C)	are a type of ionic bond.
		D)	all of the above.


4	A solution with a pH of 9
		A)	would be classified as an acid.
		B)	would have 100 times more hydrogen ions than a solution with a pH of 7.
		C)	would have half as many hydrogen ions as a solution with a pH of 7.
		D)	would be classified as a base.


5	The disaccharide most commonly found in milk is
		A)	fructose.
		B)	galactose.
		C)	glucose.
		D)	lactose.


6	Steroid hormone synthesis would be decreased if which of the following were lacking?
		A)	cholesterol.
		B)	phospholipids.
		C)	prostaglandins.
		D)	triglycerides.


7	Micelles could be formed by
		A)	cholesterol.
		B)	phospholipids.
		C)	prostaglandins.
		D)	triglycerides.


8	The level of protein structure directly determined by an individual's genes is the
		A)	primary structure.
		B)	secondary structure.
		C)	tertiary structure.
		D)	quaternary structure.


9	Water is produced when
		A)	lactose is degraded.
		B)	proteins are degraded.
		C)	starch is synthesized.
		D)	all of the above.


10	Proteins function as
		A)	receptors.
		B)	energy storage molecules.
		C)	precursors to steroid hormones.
		D)	none of the above.

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