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Pre Test Quiz
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1
In the process of creating recombinant DNA, __________ are used to cleave DNA at specific sites to create an opening into which a piece of foreign DNA can be placed.
A)DNA ligases
B)vectors
C)plasmids
D)restriction enzymes
2
The polymerase chain reaction (PCR) is
A)used to create copies of DNA segments quickly in a test tube.
B)used to seal foreign DNA into a bacterial plasmid.
C)used to cleave a bacterial plasmid to create a gap in the DNA.
D)used to separate DNA fragments according to their size.
3
Gene pharming can be defined as the use of
A)plants to produce pharmaceuticals.
B)bacteria to produce pharmaceuticals.
C)genetically modified animals to produce pharmaceuticals.
D)genetically modified crop plants.
4
A cell contains __________ because __________.
A)proteins that are not encoded in its DNA; some proteins do not need to be synthesized
B)fewer proteins than there are protein-coding genes; some protein-coding genes are never turned on
C)the same number of proteins as protein-coding genes; one gene codes for one protein
D)more proteins than there are protein-coding genes; of alternative pre-mRNA splicing and posttranslational modification.
5
Proteomics is defined as
A)the study of the structure and function of genes.
B)the study of the structure and function of proteins.
C)the study of the structure and function of DNA.
D)the study of the structure and function of RNA.





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