Some ______species are hyperaccumulators of heavy metal elements and can be used to concentrate heavy metal contaminations in their tissues including, zinc, aluminum, cadmium, and radioactive uranium.

MCQs on the use of numerous methods and biological techniques such as FISH, RNAi, PCR, Western blotting, microarrays, and others to enhance scientific research, medicine, and engineering. Also covers how biotechnology and its techniques can be used in plant and animal engineering, gene therapy, forensic science, environmental studies, and renewable energy.