Transcript HO H H 2 O

Carbon can form
A.
B.
C.
D.
2 covalent bonds
2 ionic bonds
4 covalent bonds
double bonds only
Long chains of carbon-hydrogen bonds
are
A. hydrocarbons
B. nonpolar
C. hydrophobic
D. All of the above
Molecules that have the same
molecular formula but a different
arrangement of atoms are
A. Isomers
B. Isotopes
C. Ions
D. none of the above
The following are
A. Structural isomers
B. Radioactive isotopes
C. Opitcal isomers
D. Nonradioactive isotopes
The two molecules below differ in
A. the number of Carbons joined by
double bonds
B. the number of Carbons and
Hydrogens
C. the arrangement of Hydrogens
D. All of the above
Enantiomers
A.
B.
C.
D.
Drug
Ibuprofen
differ in electrical charge
differ in location of double bonds
are mirror images of one another
have identical three dimensional
shapes
Condition
Pain;
inflammation
Effective
Enantiomer
Ineffective
Enantiomer
The functional group below
is a
A. hydroxyl group
B. carbonyl group
C. sulfhydryl group
D. carboxyl group
The functional group pictured
tends to form
A.
B.
C.
D.
carbohydrates
acids
bases
lipids
Which functional group is a
sulfhydryl?
A
B
C
D
Which molecule below is an alcohol?
A
B
D
C
Which molecule below is an organic
phosphate?
A
B
C
D
The molecules below represent testosterone and estradiol, sex hormones. In
what ways do these molecules differ from one another?
A. They are structural isomers.
B. Testosterone has four fused rings, estradiol has three fused rings.
C. They have different functional groups attached to the same
Carbon skeleton.
D. They are enantiomers.
The process of making carbohydrate and
lipids polymers from monomers is called
A. dehydration synthesis
B. hydrolysis
C. ionic bonding
D. phosphodiester linkages
H
HO
H2O
Cellulose, the most abundant organic
compound on Earth is also known as
A. chitin
B. insoluble fiber
C. starch
D. amylopectin
Humans can digest starch but not cellulose because
A. their enzymes only recognize glycosidic linkages
between alpha isomers
B. their enzymes only recognize glycosidic linkages
between beta isomers
C. humans have protists in their gut that do the work
D. cellulose is a polymer of fructose
Starch
Cellulose
A triglycerol is
A. three maltoses linked together
B. a lipid that makes up the plasma
membrane
C. made of a glycerol and three fatty acid
chains
D. made from three alcohols undergoing
dehydration synthesis
Fats with double bonds
between carbons are
A. liquids at room
temperature
B. unsaturated
C. healthy to include
in a diet
D. All of the above
The molecule below can be described by all of
the following except
A. It is a steroid
B. It is a precursor to many hormones
C. Its carbon skeleton has a ring structure
D. It is a phospholipid
The lipid that makes up the cell membrane is
A. a steroid
B. a phospholipid
C. cholesterol
D. glycogen
Nucleotides are the monomers for
nucleic acids. A nucleotide consists of
all of the following except
A.
B.
C.
D.
a phosphate group
a phospholipid
a pentose sugar
a nitrogen containing base
What is the complimentary strand to the
following DNA strand…
5’ T A G G T T C
3’
A. 3’ T A G G T T C
5’
B.
5’ T A G G T T C
3’
C.
5’
3’
D.
3’ A T C C A A
A T C C A A G
G
5’
Answers
1.
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10.
C
D
A
A
C
C
B
B
D
A
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21.
C
C
A
B
A
C
D
D
B
B
D