LIFE SCIENCE

OBJECTIVE LIFE SCIENCE

MOLECULAR BIOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Why are plasmids sometimes given an antibiotic resistance gene?
A
So that scientists can make antibiotic resistant bacteria and make more money for pharmaceutical companies.
B
So that scientists can create super bugs.
C
So that scientists can identify which cells have the rDNA plasmid.
D
So that scientists can kill the bacteria.
Explanation: 

Detailed explanation-1: -Plasmids come in many different sizes and are used for many different purposes in biotechnology. They first made their mark in the field of recombinant DNA in the 1970s, being used as a tool to insert genes into bacteria to encourage their production of therapeutic proteins such as human insulin.

Detailed explanation-2: -A plasmid typically contains an antibiotic resistance gene, which allows bacteria to survive in the presence of a specific antibiotic. Thus, bacteria that took up the plasmid can be selected on nutrient plates containing the antibiotic.

Detailed explanation-3: -What is the purpose of an antibiotic resistance gene in a plasmid cloning vector? The antibiotic resistant gene provides a selectable marker for cells.

There is 1 question to complete.