Biotechnologists refer to Agrobacterium tumifaciens as a natural genetic engineer of plants. Give reasons to support the statement.
Name the phase all organisms have to pass through before they can reproduce sexually.
The phase that all organisms have to pass through before they can reproduce sexually is Juvenile phase. It is known as Vegetative phase in plants.
Name the enzyme produced by Streptococcus bacterium. Explain its importance in medical sciences.