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The first phase of mitosis is called?
The first stage of mitosis when chromosomes start becoming visible in the microscope is called prophase.
The replicas of chromosomes that form during prophase are called what?
During prophase, a chromosome is composed of tightly coiled DNA and protein molecules. Each chromosome exists as a pair of identical sister chromatids which are held together at the centromere.
Genes are located on structures called what?
The structures are called chromosomes.
The strands of DNA in the nucleus are called?
chromatin
How does DNA replicate during prophase in the cell cycle?
During prophase in the cell cycle, DNA replicates by unwinding and separating into two strands. Enzymes called DNA polymerases then create new complementary strands by adding nucleotides to each original strand. This process results in two identical copies of the DNA molecule.
What its called when chromosomes become visible?
It is called prophase
The first phase of mitosis is called?
The first stage of mitosis when chromosomes start becoming visible in the microscope is called prophase.
The replicas of chromosomes that form during prophase are called what?
During prophase, a chromosome is composed of tightly coiled DNA and protein molecules. Each chromosome exists as a pair of identical sister chromatids which are held together at the centromere.
Genes are located on structures called what?
The structures are called chromosomes.
What is the phase of mitosis when chromosomes become visibly shortened and thickened?
Prophase
The strands of DNA in the nucleus are called?
chromatin
How does DNA replicate during prophase in the cell cycle?
During prophase in the cell cycle, DNA replicates by unwinding and separating into two strands. Enzymes called DNA polymerases then create new complementary strands by adding nucleotides to each original strand. This process results in two identical copies of the DNA molecule.
Name the phase of cell division when duplicated chromosomes first appear?
The phase of cell division when duplicated chromosomes first appear is called the prophase. In prophase, the chromatin condenses into visible chromosomes, and the nuclear envelope breaks down, allowing the chromosomes to be more clearly visible.
What happens to the structures in the nucleus in each stage prophase plus?
During prophase, the structures in the nucleus condense into tightly coiled structures called chromosomes. The nuclear membrane also breaks down, allowing the chromosomes to interact with the spindle fibers for proper alignment and segregation during cell division.
What stage of mitosis where nuclear envelop disappears and the chromosomes form?
stage of mitosis when nuclear envelop disappears and the chromosomes form is the "PROPHASE"
What is the DNA called during prophase?
During prophase, DNA is condensed and tightly coiled into structures called chromosomes. These chromosomes are made up of DNA and proteins and are visible under a microscope.
What protein strands connecting the centrioles become visible during middle prophase and are almost complete by late prophase?
These strands are called spindle fibers. Each replicating chromosome lines up vertically on a spindle fiber during metaphase. During anaphase, the fibers pull the replicating chromosomes apart (leaving one chromosome to go to either end of the cell).
