Can you answer the second and fourth questions !

The phlogiston theory in the 17th century attempted to explain burning. the theory stated that combustable objects contained a material called phlogiston, a substance without mass, color, odor, etc. after objects burned, the objects were dephlogistonated and were then in their true form. the phlogiston theory was accepted until the 18th century, when lavoisier proved that combustion requires a gas that has mass. phlogiston is considered a) to be scientific knowledge b) not to be scientific knowledge c) to be proven by scientific method d) to be accepted in the modern scientific community

1. describe the structure and function of the specialized cells you observed in the video. 2. research the types of cells present in the kidney.

Acodon consists of bases and specifies which will be inserted into the polypeptide chain.