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RHS Chemistry Of Life
Test Description: Review for Chemistry of Life Test
Instructions: Answer all questions to get your test result.
1) attraction of molecules between the same substance
A
adhesion
B
solute
C
solvent
D
cohesion
2) force of attraction between different kinds of molecules
A
cohesion
B
adhesion
C
solvent
D
solute
3) substance that is dissolved in a solution
A
solute
B
solvent
C
adhesion
D
solution
4) type of mixture in which all components are equally distributed
A
solute
B
solution
C
solvent
D
cohesion
5) dissolving substance in a solution
A
solution
B
cohesion
C
solute
D
solvent
6) a compound that forms hydrogen ions (H+) in a solution; a solution with a pH less than 7
A
solution
B
buffer
C
base (alkaline)
D
acid
7) a compound that forms hydroxide ions (OH-) in a solution; a solution with a pH more than 7.
A
solvent
B
buffer
C
acid
D
base (alkaline)
8) small chemical units that make up a polymer
A
solution
B
macromolecule
C
monomer
D
base
9) molecules made up of many monomers; makes up a macromolecule
A
monomer
B
acid
C
base
D
polymer
10) giant molecules that are made of many, many molecules; organic molecules classified into carbohydrates, lipids, proteins and nucleic acids
A
macromolecule
B
monomer
C
acid
D
base
11) compounds made up of carbon, hydrogen and oxygen atoms in a 1:2:1 ratio; includes simple carbohydrates (monosaccharides) and complex carbohydrates (polysaccharides)
A
carbohydrates
B
lipids
C
proteins
D
nucleic acids
12) macromolecule made up mostly of carbon and hydrogen atoms;includes fats, oils and waxes
A
proteins
B
carbohydrates
C
lipids
D
nucleic acids
13) macromolecule that is made up of carbon, hydrogen, oxygen and nitrogen; needed for the body growths and repair
A
lipids
B
nucleic acids
C
carbohydrates
D
proteins
14) macromolecule that is made up of carbon, hydrogen, oxygen, nitrogen and phosphorus; two types are DNA and RNA
A
nucleic acids
B
carbohydrates
C
proteins
D
lipids
15) subunit of which nucleic acids are composed of; made up of 5-Carbon sugar, a phosphate group, and a nitrogen base.
A
nucleotide
B
nucleic acids
C
carbohydrates
D
lipids
*select an answer for all questions
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