The production of the dark pigments in the fur on the paw, ears, and tail of Siamese cats involves the enzyme tyrosinase. An analysis of the structure of tyrosinase is most likely to reveal which TWO of the following characteristics

evidence and logical support is essential for a scientist to do in order to maintain credibility. this is because no one can believe without any logic and without any evidence.hence a scientist can maintain credibility by proving himself and by answering logically so experiments prove very beneficial. logical hypothesis give conclusion which is acceptable. therefore, there are two main factors to maintain credibility by a scientist is evidence and logical support.