Answer:
Option (2).
Explanation:
Ames test is used to identify the mutageneicity of the compound. The bacteria are treated with chemicals in the nutritive environment to determine whether the substance can acts as a mutagen or not.
The bacteria that can restore the biosyntheic activity in the environment can be considered as mutagen. The mutant bacteria can be easily identified in the Ames test.
Thus, the correct answer is option (2).
Answer:Capillary action
Explanation: it sticky, thanks to the forces of cohesion water molecules like to stay close together.
Because it is meant to be like that for animals , us humans dont need all the stuff that animals do.
A law is something that can be measured or observed to be true. A theory, is something that can be assumed to be true based on the best available knowledge.
Nervous system is divided into parasympathetic and sympathetic