AP BIOLOGY

THE MOLECULAR BASIS OF INHERITANCE

DNA MAKES RNA MAKES PROTEIN

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
DNA that has been produced from 2 different sources
A
plasmid
B
reverse transcriptase
C
recombinant DNA
D
recognition site
Explanation: 

Detailed explanation-1: -The technology used for producing artificial DNA through the combination of different genetic materials (DNA) from different sources is referred to as Recombinant DNA Technology. Recombinant DNA technology is popularly known as genetic engineering.

Detailed explanation-2: -In genetics, describes DNA, proteins, cells, or organisms that are made by combining genetic material from two different sources.

Detailed explanation-3: -Recombinant DNA (rDNA) technology involves combining DNA fragments from two sources. Molecules of DNA from two different sources or species are inserted into a host organism. The resulting new genetic combination is of value to science, medicine, agriculture, and industry. The resulting DNA is called recombinant DNA.

Detailed explanation-4: -Recombinant DNA is the method of joining two or more DNA molecules to create a hybrid. The technology is made possible by two types of enzymes, restriction endonucleases and ligase. A restriction endonuclease recognizes a specific sequence of DNA and cuts within, or close to, that sequence.

Detailed explanation-5: -For example, insulin is regularly produced by means of recombinant DNA within bacteria. A human insulin gene is introduced into a plasmid, which is then introduced to a bacterial cell. The bacteria will then use its cellular machinery to produce the protein insulin, which can be collected and distributed to patients.

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