BSC 108 Final
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1. DNA and RNA are nu- nucleotides
cleic acids, long chains
(polymers) of chemical
units (monomers) called
___________.
2. A nucleotide polymer is polynucleotide
a ___________________.
3. Nucleotides are joined covalent, sugar (deoxyribose), phosphate
together by ____________
bonds between the
_________ of one nu-
cleotide and the
__________ of the next in
a repeating pattern.
4. DNA is covalently nitrogen-containing
bonded to
___________-_____________
bases.
5. DNA has a sugar-phosphate
___________-___________
backbone.
6. Each nucleotide con- a nitrogenous base, a sugar, a phosphate group
sists of three compo-
nents:
7. A DNA molecule con- 2, double helix, complementary
tains _____ strands of
DNA, which form a
, BSC 108 Final
Study online at https://quizlet.com/_h33fks
__________ ____________.
These strands are
_____________ to each
other.
8. The nitrogen-contain- adenine, guanine, thymine, and cytosine
ing bases of DNA are: of
the two strands are held
to each other by hydro-
gen bonds.
9. The nitrogen-contain- hydrogen
ing bases of the two
strands of DNA are
held to each other by
_____________ bonds.
10. What always pairs with adenine A=T and Ga
C).
thymine?
11. What always pairs with cytosine A=T and Ga
C).
guanine?
12. Describe how a mole- One parent molecule that has two complementary strands separates;
cule of DNA replicates. each strand is used as a template to make a new strand; each of the two
daughter molecules will be composed of one "old" (parent) strand and
one "new" strand.
13. The two parent origin
strands separate at the
__________ of replication.
14. replication bubble; parent
Study online at https://quizlet.com/_h33fks
1. DNA and RNA are nu- nucleotides
cleic acids, long chains
(polymers) of chemical
units (monomers) called
___________.
2. A nucleotide polymer is polynucleotide
a ___________________.
3. Nucleotides are joined covalent, sugar (deoxyribose), phosphate
together by ____________
bonds between the
_________ of one nu-
cleotide and the
__________ of the next in
a repeating pattern.
4. DNA is covalently nitrogen-containing
bonded to
___________-_____________
bases.
5. DNA has a sugar-phosphate
___________-___________
backbone.
6. Each nucleotide con- a nitrogenous base, a sugar, a phosphate group
sists of three compo-
nents:
7. A DNA molecule con- 2, double helix, complementary
tains _____ strands of
DNA, which form a
, BSC 108 Final
Study online at https://quizlet.com/_h33fks
__________ ____________.
These strands are
_____________ to each
other.
8. The nitrogen-contain- adenine, guanine, thymine, and cytosine
ing bases of DNA are: of
the two strands are held
to each other by hydro-
gen bonds.
9. The nitrogen-contain- hydrogen
ing bases of the two
strands of DNA are
held to each other by
_____________ bonds.
10. What always pairs with adenine A=T and Ga
C).
thymine?
11. What always pairs with cytosine A=T and Ga
C).
guanine?
12. Describe how a mole- One parent molecule that has two complementary strands separates;
cule of DNA replicates. each strand is used as a template to make a new strand; each of the two
daughter molecules will be composed of one "old" (parent) strand and
one "new" strand.
13. The two parent origin
strands separate at the
__________ of replication.
14. replication bubble; parent
