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1
The term cloning can be applied to which of the following situations?
A)creating an exact copy of a fragment of DNA
B)creating a second organism that is genetically identical to the first
C)using a restriction enzyme
D)Both a and b are correct.
2
Stem cell research is controversial because
A)of the source of stem cells.
B)stem cells may cure certain diseases.
C)stem cells are not yet differentiated.
D)stem cells are not yet determined.
3
Restriction enzymes
A)cut DNA randomly.
B)cut DNA at specific sequences.
C)can create sticky ends.
D)Both b and c are correct.
4
This field is a collection of techniques that provide the ability to manipulate the genetic information of an organism directly.
A)proteomics
B)genomics
C)transcriptomics
D)biotechnology
5
Because no two people have the same nucleotide sequences, they do not generate the same lengths of DNA fragments when their DNA is cut with ____________.
A)enzymes
B)lasers
C)hormones
D)electrophoresis
6
This is the enzyme that drives the DNA replication process:
A)Helicase.
B)Purified DNA polymerase.
C)Restrictase.
D)DNAase.
7
Recombinant DNA
A)often involves plasmids.
B)incorporates "foreign" genes into a host's DNA.
C)can be used to produce such products as insulin, interferon, and growth hormone.
D)All of the above.
8
One way to introduce new DNA into an organism is __________.
A)gene splicing
B)replication
C)removing introns
D)transcription





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