The smallest functional unit of the kidney that can perform all the functions is called the Nephron.
Answer:
Recombinant DNA is a technology scientists developed that made it possible to insert a human gene into the genetic material of a common bacterium. This “recombinant” micro-organism could now produce the protein encoded by the human gene. ... There, the recombinant bacteria use the gene to begin producing human insulin.
Explanation:
Answer: G
Explanation: A galaxy is indeed a collection of stars, gas, and dust held together by gravity.
Answer:
SUNLIGHT and PHOTOSYNTHESIS