Answer:
b. DNA replication occurs only during the G1 phase of the cell cycle.
Explanation:
D. the moveable and proximal attachment
Answer:
Griffith concluded that the R-strain bacteria must have taken up what he called a "transforming principle" from the heat-killed S bacteria, which allowed them to "transform" into smooth-coated bacteria and become virulent.
Explanation:
The symbol Al+3 is a cation. Therefore giving us the correct answer being option B. cation.
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