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Biochemistry
Test Description: THis is a review for Unit 2 Test
Instructions: Answer all questions to get your test result.
1) Bonds formed when atoms share electrons so both atoms can fill their outermost shells.
A
hydrogen
B
Ionic
C
cohesion
D
covalent
2) Bonds formed when two oppositely charged atoms attract each other.
A
hydrogen
B
cohesion
C
Ionic
D
covalent
3) The attraction between water and a different substance.
A
polarity
B
cohesion
C
adhesion
D
capillarity
4) Attraction between water molecules.
A
capillarity
B
adhesion
C
polarity
D
cohesion
5) Substance with oppositely charged ends.
A
capillarity
B
polarity
C
adhesion
D
cohesion
6) Which one is NOT a reason that we study Biochemistry?
A
To learn info that doesn’t matter to living things at all.
B
Gain a fundamental understanding of life.
C
Apply biological materials to useful operation in industry.
D
Understand the important issues in medicine.
7) Metabolism Genetics are two examples of...
A
the study of what substances are made of and how they change and combine.
B
Chemicals that function together in living things
C
the processes that guide Biochemical reactions throughout the system.
D
Biological functions that depend on chemical changes within cells.
8) These are formed when any two or more atoms chemically bond.
A
compound
B
inorganic
C
alkaline
D
molecule
9) Which one is NOT an example of a compound?
A
NaCl
B
H2O
C
OH-
D
O2
10) Which one is NOT true of organic compounds?
A
usually support life but not a part of organisms.
B
Always Contain C, H, and O.
C
referred to as chemicals of life.
D
they are what organisms are made of.
*select an answer for all questions
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