Final answer:
The correct answer is True. Transgenic crops can be created using recombinant DNA. Gene cloning is the creation of an identical copy of a specific gene. Taq polymerase is useful in PCR reactions because it can withstand high temperatures. The circular piece of DNA used to create recombinant DNA is called a plasmid.
Step-by-step explanation:
The statement 'Transgenic crops can be created using recombinant DNA' is true. Transgenic crops are genetically modified organisms that have had their DNA modified through the introduction of genes from other organisms. This is achieved by using recombinant DNA technology, which involves combining DNA from different sources to create a new genetic combination.
Gene cloning is defined as the creation of an identical copy of a specific gene, not an entire organism. The cloning process involves producing multiple copies of a particular gene using recombinant DNA technology.
Taq polymerase is particularly useful in PCR reactions because it is derived from bacteria that live in hot environments. These bacteria produce an enzyme called Taq polymerase, which can withstand high temperatures without denaturing. This allows the PCR reaction to occur at high temperatures, which is necessary for DNA amplification.
A circular piece of DNA from bacteria that is often used to create recombinant DNA is called a plasmid. Plasmids are small, circular DNA molecules that can replicate independently within a host cell. They can be easily manipulated in the laboratory and used as vectors to introduce foreign DNA into other organisms.