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What is the name for the structure in the nucleus of the cell which contains DNA and can be best seen when the cell is dividing?
Chromosomes are structures in the nucleus of the cell which contain DNA and can best be seen when the cell is dividing.
What stage does nuclear membrane is intact and DNA is in chromatin form?
The nuclear membrane is intact and DNA is in chromatin form during interphase, specifically in the G1, S, and G2 phases. During this time, the cell is not dividing and the DNA is in a less condensed, relaxed state, allowing for transcription and replication. This stage prepares the cell for mitosis, where the DNA will later condense into chromosomes.
How do proteins help condense chromosomes?
Proteins like histones help condense chromosomes by wrapping DNA around them to form nucleosomes. This compacts the DNA into a more condensed structure, making it easier to fit inside the cell's nucleus and regulate gene expression.
What is term for the two sets of chromatids formed in a parent cell?
sister chromatids (after DNA replication, but before dividing)
Are chromosome more condense than chromatin?
Yes, you can think of chromosomes tightly wound up DNA and chromatin as unwound DNA.
What do we condense DNA into before replication occurs?
Before replication occurs, DNA is condensed into chromosomes.
What do you call DNA in the nucleus before it condenses to form chromosomes?
DNA forms nucleosomes (beads on the string) by combining histone proteins, nucleosomes condense into chromatins before it forms Chromosomes
What is the name for the structure in the nucleus of the cell which contains DNA and can be best seen when the cell is dividing?
Chromosomes are structures in the nucleus of the cell which contain DNA and can best be seen when the cell is dividing.
When does the DNA replicate before dividing?
In the S-phase of interphase. "S" stands for synthesis.
Before mitosis or meiosis DNA coils into what?
Before mitosis and meiosis, DNA is loose in the form of chromatin, then it coils into chromosomes right before the mitosis and meiosis.
What is the name of the structure that DNA will condense into?
A chromosome
What stage does nuclear membrane is intact and DNA is in chromatin form?
The nuclear membrane is intact and DNA is in chromatin form during interphase, specifically in the G1, S, and G2 phases. During this time, the cell is not dividing and the DNA is in a less condensed, relaxed state, allowing for transcription and replication. This stage prepares the cell for mitosis, where the DNA will later condense into chromosomes.
How do proteins help condense chromosomes?
Proteins like histones help condense chromosomes by wrapping DNA around them to form nucleosomes. This compacts the DNA into a more condensed structure, making it easier to fit inside the cell's nucleus and regulate gene expression.
At what phase does DNA condense into chromosomes?
DNA condenses into chromosomes during the prophase stage of cell division.
Before mitosis begins which happens before the nucleus starts dividing?
During interphase, which precedes mitosis, the cell grows and replicates its DNA in the nucleus. This prepares the cell for division by ensuring that each daughter cell receives a complete set of genetic material.
What is term for the two sets of chromatids formed in a parent cell?
sister chromatids (after DNA replication, but before dividing)
When does DNA begins to condense with help of structural proteins like histones?
as soon as histones are put in solution with DNA it begins to condense. Just by being there the positively charged histones are attracted to the negatively charged DNA. DNA wraps around histones and other structural proteins condensing to metaphase chromosomes.
