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Chemistry Of Life
Test Description: Students will review key concepts in the chemistry of biology.
Instructions: Answer all questions to get your test result.
1) Acid solutions are produced by the release of ________ ions.
A
Oxygen
B
Hydrogen
C
Potassium
D
Sodium
2) Atoms of the same element that have different numbers of neutrons are called ____.
A
polymers
B
isotopes
C
molecules
D
compounds
3) Which of the following carbohydrates is a polysaccharide?
A
sucrose
B
starch
C
fructose
D
glucose
4) What are saturated fats?
A
lipids with single bonds between carbon atoms
B
proteins with single bonds between carbon atoms
C
proteins with double bonds between carbon atoms
D
lipids with double bonds between carbon atoms
5) Negatively charged particles that move around the nucleus of an atom are called ____.
A
neutrons
B
protrons
C
isotopes
D
electrons
6) A(n) ____________ bond involves the sharing of electrons.
A
molecular
B
hydrogen
C
ionic
D
covalent
7) Small compounds that form proteins are called ____.
A
lipids
B
carbohydrates
C
phospholipids
D
amino acids
8) Which of these elements is NOT part of a carbohydrate molecule?
A
hydrogen
B
nitrogen
C
oxygen
D
carbon
9) A base _________.
A
combines with water to form an acid
B
forms hydroxide ions (OH-) in water
C
forms hydrogen ions (H-) in water
D
measures below pH 7
10) The total number of atoms in the molecule glucose, C6H12O6
A
12
B
48
C
6
D
24
*select an answer for all questions
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