Which best describes the different modes of bacterial reproduction?
a. in genetic recombination, two new genetically identical cells are produced.
b. in conjugation, a special sex pilus is required to connect two bacterial cells.
c. in transduction, a bacterium exchanges a piece of its own dna with another from the environment.
d. in transformation, bacterial dna is transferred from one bacterium to another by a replicating virus.

B. In conjugation, a special sex pilus is required to connect two bacterial cells.

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.