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Biology Test January 28

True/False
Indicate whether the statement is true or false.
 

 1 

Adding an adequate amount of fiber to your diet --  is hypothesized to reduce the risk of cancer of the large intestines (colon).
 

Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 2 

If two molecules with the same formula C5H10O5 are combined by dehyration synthesis -- what will be the chemical formula for the compound that is formed?
A
C5H8O4
C
C10 H22O11
B
C10 H20O10
D
C10 H18O9
 

 3 

Organic compounds, such as proteins and starches, are too big to enter into cells -- therefore- they need to digested into a smaller size so they can enter into cells.  Accordingly, proteins are digested into A and starches are digested into B .
A
A—simple sugars, B—amino acids
B
A—amino acids, B—simple sugars
 

 4 

Hydrogen cyanide, HCN, is a deadly poison.  Which of the following is the correct arrangement of HCN?
A
mc004-1.jpg
C
mc004-3.jpg
B
mc004-2.jpg
D
mc004-4.jpg
 

 5 

The part of the molecule in the box is known as
mc005-1.jpg
A
a carboxyl group
C
an amino group
B
a phosphate group
D
a nitrogenous base
 

 6 

What does the structural formula below represent?

mc006-1.jpg
A
A monomer
B
A monosaccaride
C
An amino acid
D
A disaccharide
 

 7 

When molecules of glucose and fructose combine to form sucrose, they do so by _____.
A
hydrolysis
C
condensation (dehydration synthesis)
B
electron clouds
D
radiation
 

 8 

mc008-1.jpg
A
only
C
two
B
one
D
many
 

 9 

mc009-1.jpg
A
only
C
two
B
one
D
many
 

 10 

mc010-1.jpg
A
only
C
two
B
one
D
many
 

 11 

How many chemical bonds does the element oxygen form?
A
0
D
3
B
1
E
4
C
2
 

 12 

mc012-1.jpg
A
milk sugar
D
beer sugar
B
table sugar
E
fruit sugar
C
blood sugar
 

 13 

The common name for lactose is
A
table sugar
D
milk sugar
B
blood sugar
E
fruit sugar
C
beer sugar
 

 14 

When diabetics prick themselves to get a sample of their blood, they are checking the amount of sugar in their blood.  Which of the following sugars are they concerned about?
A
glucose
D
lactose
B
fructose
E
maltose
C
sucrose
 

 15 

Fat is composesd of one glycerol and
A
1 fatty acid
D
4 fatty acids
B
2 fatty acids
E
2 nucleotides
C
3 fatty acids
 

 16 

What does the suffix “saccharide” mean?
A
sour
C
sugar
B
bitter
 

 17 

Energy is stored in your liver in the form of an animal starch called
A
cellulose
D
galactose
B
glycogen
E
fructose
C
fiber
 

 18 

Starch is made up of 100’s to 1000’s of these smaller molecules:
A
galactose
D
glucose
B
sucrose
E
fructose
C
lactose
 

 19 

The following is the structural formula for aspirin. The scientific name for aspirin is acetylsalicylic acid (I know you always wanted to know that). Which of the following is the chemical formula for aspirin?

mc019-1.jpg
A
C6H1206
D
C9H8O3
B
C7H5O3
E
C9H8O4
C
C8H8O4
 

 20 

What suffix do sugars have in common?
A
-ase
C
-itis
B
-ose
D
-sis
 

 21 

Arabinose, mannose, ribose, and deoxyribose are examples of
A
Enzymes
D
Starch
B
Nucleic acids
E
Steroids
C
Sugars
 

 22 

How many chemical bonds does the element carbon form?
A
0
D
3
B
1
E
4
C
2
 

 23 

How many chemical bonds does the element hydrogen form?
A
0
D
3
B
1
E
4
C
2
 

 24 

The three chemical reactions shown below are examples of
mc024-1.jpg
A
dehydration synthesis (condensation)
D
cellular respiration
B
hydrolysis
E
primary succession
C
photosynthesis
 

 25 

The structural formula for a molecule is shown below.
mc025-1.jpg
The part of the molecule indicated by X is known as a
A
carboxyl group
D
hydroxyl group
B
amino group
E
variable or remainder
C
peptide bond
 

Matching
 
 
Match the following formulas with their name.

grp001-1.jpg
A
# 1
D
# 4
B
# 2
E
# 5
C
# 3
 

 26 

Which of the above is an amino acid?
 

 27 

Which of the above is a fat?
 

 28 

Which of the above is a monosaccharide?
 

 29 

Whihc of the above is water?
 
 
Indicate the building blocks for the following polymers:
A
nucleotides
C
glucose
B
amino acids
D
1 glycerol and 3 fatty acids
 

 30 

starch
 

 31 

protein
 

 32 

nucleic acids
 

 33 

polysaccharide
 

 34 

fat (triglyceride)
 



 
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