Biotechnologists refer to Agrobacterium tumifaciens as a natural genetic engineer of plants. Give reasons to support the statement.
Agrobacterium tumafaciens is known as a natural genetic engineer of a plant because it has the natural ability to integrates its plasmid genes into the plant genomes. It can deliver a piece of T-DNA in the plant genome.
Name the enzyme produced by Streptococcus bacterium. Explain its importance in medical sciences.