Multiple Choice
Genetic engineering allows scientists to produce human insulin by altering which type of bacteria?
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18. Biotechnology
Introduction to DNA-Based Technology
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What is a DNA library in the context of DNA-based technology?
A
A storage system for preserving DNA samples
B
A method for sequencing DNA using high-throughput techniques
C
A database of protein structures derived from DNA sequences
D
A collection of DNA sequences that represent the entire genome of an organism
Verified step by step guidance1
Understand the concept of a DNA library: A DNA library is a collection of DNA sequences that represent the entire genome of an organism. It is used in various applications in biotechnology and genetics.
Recognize the purpose of a DNA library: It serves as a resource for researchers to study genes, gene functions, and genetic variations within an organism's genome.
Differentiate between types of DNA libraries: There are genomic libraries, which contain DNA fragments representing the entire genome, and cDNA libraries, which contain DNA sequences derived from mRNA and represent expressed genes.
Explore the creation of a DNA library: DNA libraries are created by isolating DNA from an organism, fragmenting it, and inserting the fragments into vectors, which are then introduced into host cells for replication.
Consider the applications of DNA libraries: They are used in gene cloning, sequencing, and functional analysis, as well as in identifying genetic markers and studying evolutionary relationships.
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