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What do chromosomes look like before and after the S phase of the cell cycle?
Before the S phase of the cell cycle, chromosomes appear as single strands of DNA. After the S phase, they replicate and become double-stranded, forming sister chromatids.
In which stage do double-stranded chromosomes become single-stranded chromosomes?
During the process of DNA replication, double-stranded chromosomes become temporarily single-stranded during the replication fork formation, where the DNA double helix is unwound by helicase. The single-stranded DNA serves as a template for the synthesis of new complementary DNA strands.
What phase of the cell cycle has a single line of chromosomes?
During the G1 phase of the cell cycle, chromosomes are not yet duplicated and appear as a single line of chromosomes within the cell. This is before DNA replication occurs in the S phase and chromosomes are temporarily duplicated.
What phase in meiosis does the double stranded chromosomes move to the center of the cell and separate?
The phase you are referring to is metaphase I. In metaphase I of meiosis, homologous pairs of chromosomes line up at the cell's equator before they are separated and pulled to opposite ends of the cell during anaphase I.
How many chromosomes does a diploid cell in G1 phase have?
A diploid cell in G1 phase has 46 chromosomes.
How many chromosomes are present in the cell after the S phase of the cell cycle?
After the S phase of the cell cycle, there are 46 chromosomes present in the cell.
During which phase of the cell cycle are the chromosomes replicated (copied)?
Chromosomes are replicated during the S phase of the cell cycle.
What phase of the cell cycle duplicates chromosomes before division?
The phase of the cell cycle that duplicates chromosomes before division is called the S phase.
A cell that has 5 chromosomes in the G1 phase will have?
10 chromosomes in the G2 phase, as the DNA is replicated during the S phase of the cell cycle.
In what phase of cell division do chromosomes separate?
Ana phase
Which phase of mitosis is where the chromosomes are located at the equator of the cell?
The phase of mitosis where the chromosomes are located at the equator of the cell is called the metaphase. Here, the chromosomes align in the middle of the cell, ready to be separated during anaphase.
What is the phase when chromosomes are lined up in the middle of the cell called?
The phase where chromosomes are lined up in the middle of the cell is called metaphase. During metaphase, the chromosomes align along the cell's equator before they are separated into two sets during cell division.
