Macromolecules
Atoms and Molecules
Properties of Water
Acids and Bases
Miscellaneous
100
The monomers of proteins are called...
amino acids
100
What is the atomic number for Potassium?
19
100
Water dissolves more substances than any other liquid. What is the name of this property of water?
universal solvent
100
An acid, with a pH of below 7, has more of what type of ion than a base?
Hydrogen Ions
100
How many electrons will fit in the first electron shell of an atom?
2
200
The primary role of lipids is to...
provide insulation and storage
200
This is where protons and neutrons are located.
nucleus
200
"The attraction of molecules for other molecules of the same kind." What is this property of water?
cohesion
200
Give an example of a common acid
carbonic acid
hydrochloric acid
nitric acid
citric acid
lactic acid
200
What is the chemical symbol for sodium?
Na
300
What are the building blocks of carbohydrates called?
monosaccharides
300
This is the mass of a neutron
one
300
What does water's "specific heat" mean?
Specific heat is defined as the amount of heat one gram of a substance must absorb or lose to change its temperature by one degree Celsius.
Water has the highest heat capacity of all liquids.
300
A substance with a pH of 12 is...
a base
300
What are cell membranes primarily composed of?
phospholipids
400
RNA and DNA are polymers made up of...
nucleotides
400
What charge does an electron have?
negative
400
What does it mean for something to be hydrophilic?
attracted to water; will stick to water
400
Give an example of a common base
baking soda
milk of magnesia
ammonia
400
What are the bonds called that hold oxygen molecules together?
hydrogen bonds
500
What is the primary function of an enzyme?
to speed up chemical reactions
500
This is how you find the number of neutrons in an atom
mass number — atomic number
500
What does it mean for water to be polar?
a water molecule has a split electrical charge
slightly negative near oxygen atom
slightly positive near 2 hydrogen atoms
500
An acid with a pH of 2 is how many times more acidic than a base with a pH of 9.
10 million times more acidic
500
How many protons does Hydrogen have?
Hint: Hydrogen's atomic number is 1.
1