It is definitely not a primary source: this would be a book itself.
Now, is it a tertiary source? I don't think so: the author of the review should have read the book and should only be referring to this book in the review.
I think it's a secondary source.
Answer:
The cell cycle is the cycle of which the cells grow and split. The cell cycle consists of two main phases, interphase and mitosis. In interphase, the cell grows and duplicates its DNA to prepare for mitosis. In the phase of mitosis, the cell splits its DNA into two nuclei and is split.
Answer:
Interphase
Explanation:
Eukaryotic cells have two parts of the cell cycle: Interphase and mitotic phase. It is the interphase in which a cell typically spends most of its time. During interphase, a cell grows and carries out the metabolic activities for regular growth and maintenance.
