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Created by Terri Street
Copyright, 2000
 1,000,000
 500,000
 250,000
 125,000
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64,000

32,000

16,000

8,000

4,000
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2,000

1,000

500

300

200

100
Click to return to
question, Cont-P to
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out two incorrect
answers, then Cont-A to
switch back to pointer.
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question and poll the
class
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friend
The smallest unit of matter is
called
 A. atom
 C. proton
 B. ion
 D. neutron
 A. 100 Atom
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Board
Where are protons found
 A.proton land
 B. outside nucleus
 C. in the nucleus
 D. outer space
C. 200 Nucleus
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Board
After atoms gain or lose
electrons, they are called
 A. onions
 B. ions
 C. idiots
 D. acids
B. 300 Ions
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Board
What type of bond involves the
sharing of electrons?
 A. covalent
 B. hydrogen
 C. peptide
 D. ionic
A. 500 Covalent
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Board
A substance dissolved in water is
called a
 A. solvent
 B. suspension
 C. mixture
 D. solution
D. 1,000 Solution
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Board
What subatomic particles are equal
in a neutral atom?
 A. protons & neutrons
 C. protons & electrons
 B. neutrons & electrons
 D. electrons and ions
C. 2,000 Protons &
electrons
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Board
Glucose is an example of a
 A. starch
 B. monosaccharide
 C. polysaccharide
 D. disaccharide
B. 4,000 Monosaccharide
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Board
A substance that accelerates a
chemical reaction is called
 A. nucleic acid
 B. calalyst
 C. molecule
 D. heat
B. 8,000 Catalyst
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Board
An acid has a pH
 A. above 7
 C. 0-14
 B. 0-7
 D. below 7
D. 16,000 Below 7
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Board
Like carbohydrates, lipids contain
A. carbon, hydrogen, oxygen, nitrogen  B. carbon, hydrogen, oxygen only
 C. carbon, hydrogen, phosphorus
 D. carbon, nitrogen, oxygen
B. 32,000 Carbon,
hydrogen, & oxygen
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Board
Always looking forward to another break!
Proteins are
 A. polymers of amino acids B. monomers of amino acid
 C. enzymes
 D. polymers of sugars
A. 64,000 Polymers of
Amino acids
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Board
The process by which a
polysaccharide is formed
 A. dehydration synthesis
 B. hydrolysis
 C. polypeptide
 D. protein synthesis
A. 125,000 Dehydration
synthesis or Polymerization
Which is main source of energy ?
 A. Carbohydrates
 B. Lipids
 C. nucleic acid
 D. Protein
A. 250,000 Carbohydrates
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Board
The region on an ezyme where a
substance bonds is called
 A. substrate
 B. nucleus
 C. open site
 D. active site
D. 500,000 Active site
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Board
An enzyme is a kind of
 A. lipid
 B. protein
 C. monosaccharide
 D. carbohydrate
B. 1,000,000 Protein
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Board
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