AP BIOLOGY

THE MOLECULAR BASIS OF INHERITANCE

RECOMBINANT DNA

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following is CORRECT about host cell?
A
Plasmid is an example of host cell.
B
Unable to receive DNA molecule through transformation.
C
An organism that prevents cloning vectors from multiplying.
D
An organism that is used to receive recombinant DNA for cloning purposes.
Explanation: 

Detailed explanation-1: -coli bacteriophage is one of the most widely used vectors used to carry recombinant DNA into bacterial cells. This virus makes an excellent vector because about one-third of its genome is considered nonessential, meaning that it can be removed and replaced by foreign DNA (i.e., the DNA being inserted).

Detailed explanation-2: -Recombinant insulin is synthesized by inserting the human insulin gene into E. coli, or yeast (Saccharomyces cerevisiae) which then produces insulin for human use.

Detailed explanation-3: -The process of inserting recombinant DNA into host cells is called transformation, or transfection if the host cells are derived from an animal. A host cell or organism that contains recombinant DNA is described as transgenic.

Detailed explanation-4: -An organism that receives the recombinant DNA is called a genetically modified organism (GMO). If the foreign DNA that is introduced comes from a different species, the host organism is called transgenic.

There is 1 question to complete.