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Animal Science Ch10 Biotechnology and Genetic Engineering Exam Questions and Answers
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Animal Science Ch10 Biotechnology and Genetic Engineering Exam Questions and Answers
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Animal Science Ch10 Biotechnology andGenetic Engineering Exam Questions
and Answers
Biotechnology - Answer-is the development of products by a biological process
Traditional biotechnologies - Answer-began in 1953 when James Watson and Francis
Crick proposed the double-helix structure of DNA
New Biotechnologies - Answer-owes its existence to the understanding of the cell and
its components, and especially the genetic code
Recombinant DNA technology - Answer-is the combination of DNA molecules from
different biological sources
The discovery of what two essential components made gene cloning and DNA
recombinant techniques possible? - Answer-restriction enzymes and plasmid DNA
Restriction enzymes - Answer-are DNA cutting enzymes
Plasmid DNA - Answer-is a circular form of self-replicating DNA that scientists can
manipulate to carry and clone other pieces of DNA
Cloning - Answer-in biotechnology refers to the process of creating copies
Cloning is the process of creating copies of: - Answer--DNA fragments (molecular
cloning)
-Cells (cell cloning)
-Whole organisms
Products of biotechnology - Answer--used in disease research
-food production
-waste management
Cloning of DNA fragments involves four steps: - Answer-1. Fragmentation
2. Ligation
3. Transformation
4. Screening/Selection
Fragmentation - Answer-cutting and separating a piece of DNA
Ligation - Answer-gluing together pieces of DNA using DNA ligase and vectors
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