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When DNA has replicated the copied sister chromatin's remain attached to what structure?
After DNA replication, the copied sister chromatids remain attached at a region called the centromere. The centromere holds the sister chromatids together until they are separated during cell division. This attachment is crucial for proper chromosome segregation during mitosis and meiosis.
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What part of the cell cycle is DNA copied?
DNA is copied during the S phase of the cell cycle, which occurs after the G1 phase and before the G2 phase. This process of DNA replication ensures that each daughter cell receives an identical copy of the genetic material.
DNA is copied in which stage of the cell cycle?
DNA is replicated during the Synthesis (S) phase of cell growth. This comes after G1 and before G2. Mitosis follows G2.
Stage in cell cycle when DNA is copied?
The stage in the cell cycle when DNA is copied is the S phase of the interphase. It refers to the resting phase between successive mitotic divisions of a cell.
When a DNA molecule is replicated is the second molecule almost identical to the first true or false?
True. DNA replication is a process where a DNA molecule is copied to produce an almost identical second molecule. This ensures that the genetic information is faithfully passed on to the next generation of cells.
When does a cell make sure DNA has been copied correctly before continuing in the cell cycle?
DNA is copied (or replicated) by an enzyme called DNA polymerase. This enzyme generally operates in the 3' to 5' direction. However, this enzyme also has a 5' to 3' exonuclease activity, which enables it to remove certain wrong bases and insert correct ones. This ensure that the DNA is copied correctly
When DNA is replicated the copied sister chromatids remain attached to what strcture?
The copied sister chromatids remain attached to the centromere, which is a specialized region of the chromosome where the two chromatids are joined. This attachment is crucial for ensuring that each daughter cell receives one copy of each chromatid during cell division.
During which phase of the cell cycle are the chromosomes replicated (copied)?
Chromosomes are replicated during the S phase of the cell cycle.
What are other words for duplicated?
Synonyms for duplicated include copied, repeated, replicated.
What enables the copied chromosomes to separate during binary fission?
The replicated chromosomes are attached to the cell membrane by proteins called tubulin that form a structure known as the mitotic spindle. The spindle fibers pull the duplicated chromosomes apart, ensuring that each daughter cell receives a complete set of chromosomes during binary fission.
What structure do copied sister chromatids remain attached?
Copied sister chromatids remain attached at the centromere region, which is a specific DNA sequence on the chromosome. The centromere serves as the attachment site for the spindle fibers during cell division, ensuring that each daughter cell receives one copy of the chromatid.
How a cells chromosome change as a cell prepares to divide?
the chromosomes are replicated (copied) and are compacted into dense visible structures
When do chromosomes (DNA) replicate?
mitosis is the process by which the DNA of a cell is copied, so chromosomes replicated throughout the process
What phase is DNA replicated in?
DNA is replicated in the S phase of Interphase
What is happens during the s phase of the cell cycle?
DNA is replicated.
What is a technological structure?
structures that have been copied by natural structures or objects. ex. The hexagonal honeycomb found in nature is an efficient structure for containing and supporting honey. Humans copied it to make a rigid structure which can make aircraft skins, lightweight doors, and packaging. A spider's web was copied to make a fishing net
When During what part of the cell cycle are organelles copied?
Organelles, such as mitochondria and chloroplasts, are copied during the S phase of the cell cycle when the cell's DNA is replicated. This ensures that each daughter cell receives a complete set of organelles when cells divide.
What is the significance of the 3 prime and 5 prime ends in DNA structure?
The 3' and 5' ends in DNA structure are significant because they determine the direction in which genetic information is read and copied. The 5' end has a phosphate group attached to the 5th carbon of the sugar molecule, while the 3' end has a hydroxyl group attached to the 3rd carbon. This orientation is crucial for processes like DNA replication and transcription.
