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When does the replication of DNA occur?
The DNA replicates during the S phase of interphase, after G1 and before G2, the two growth phases. Throughout interphase, the DNA is extended, and free nucleotides have access to the strands.
What two features are visible in the nucleus during interphase?
nuclear membrane and nucleolus
Are chromosomes duplicated during interphase or mitosis?
Chromosomes are duplicated during interphase, specifically during the S phase of the cell cycle. Mitosis is the process of cell division where the duplicated chromosomes are separated into two daughter cells.
How many times does interphase occur for cells in meiosis?
Interphase occurs once for cells undergoing meiosis. During interphase, the cell duplicates its DNA and prepares for division. After interphase, meiosis involves two rounds of cell division (meiosis I and meiosis II), but interphase itself is not repeated between these divisions.
When do chromosomes replicate during meiosis?
Chromosomes replicate during the S phase of interphase, before meiosis begins. This ensures that each chromosome consists of two sister chromatids, which are then separated during the meiotic divisions to produce haploid cells.
The cell cycle is broken into what two steps?
M-phase and interphase M-phase and interphase M-phase and interphase M-phase and interphase
What is it called between one mitosis and another mitosis?
The period between two mitotic phases in a cell is known as interphase. During interphase, a cell carries out its metabolic processes and prepares to divide.
Why do cells spend the greatest percentage of their cycle in interphase?
about 90% of the cells life is spent in interphase as this is the stage where the cells DNA and organelles are all doubled and reproduced before it goes through the other 10% of phases where the cell divides into two new identical cells
During what phase of the cell cycle does DNA replication occur?
At mid-interphase.The DNA replicates during the S phase of interphase, after G1 and before G2, the two growth phases. Throughout interphase, the DNA is extended, and free nucleotides have access to the strands.During division (M phase) the DNA is condensed, so that the chromosomes are short, compact, and easily moved to the poles of the spindle.
Which phase is the DNA replicated in during mitosis?
Chromatin (DNA in loose form) is replicated in the S phase of interphase. Interphase follows prophase and is comprised of a G1 phase, S phase, and G2 phase.
What happens to DNA during the S stage of interphase?
During the S stage of interphase, DNA undergoes replication, where the DNA molecules are duplicated. This results in each chromosome consisting of two identical sister chromatids attached at a region called the centromere. This ensures that each daughter cell after cell division receives a complete copy of the genetic material.
What are the two part of cell cycle?
Interphase and Mitosis.
