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Telomerase
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∙ 12y ago
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If the original cell has 46 chromosomes how can each daughter cell also have 46 chromosomes?
AnswerThe chromosomes replicates themselves before splitting into two daughter cells.
What does the telomerase enzyme do?
Telomerase maintains the telomeres of chromosomes in order to prevent cell death. This enzyme added sequences onto the ends of the chromosomes, thereby preventing extreme shortening and loss of genetic material. In a way, telomerase would give cells immortal life, by continuously regenerating its ends. However, telomerase are usually inactive in the human body because normal cells do not divide frequently, and therefore, the chromosomes do not shorten.
The enzyme telomerase solves the problem of replication by?
Telomerase is an enzyme that adds nucleotides to the ends of telomeres in chromosomes. They do not solve any problems in replication
When a body cell divides through the process of mitosis what is the number of chromosomes in the daughter cells?
After mitosis each daughter cell contains 46 chromosomes as the DNA replicates itself before the cell divides
What phase does preparation for cell division occur?
during interphase the cells prepare for the divsion and the DNA replicates and chromosomes form
What is the enzyme that reduces the twisting forces when DNA replicates?
gastric juice
What enzyme replicates DNA during semi-conservative replication?
Polymerase
Which stage of cells cycle do the chromosomes replicated?
Chromosomes replicate when DNA replicates during the S phase (synthesis) of of the cell cycle.
What directs enzyme production?
Enzyme production is directed by Genes located on the chromosomes.
If the original cell has 46 chromosomes how can each daughter cell also have 46 chromosomes?
AnswerThe chromosomes replicates themselves before splitting into two daughter cells.
What must happened before mitosis can begin?
The chromosomes must be duplicated. the real answer: DNA replicates and forms tetrads
When do chromosomal material replicate?
Chromosomal material replicates during mitosis. Chromosomes become sister chromatids, which ultimately break off to form identical chromosomes and two identical cells.
What does the telomerase enzyme do?
Telomerase maintains the telomeres of chromosomes in order to prevent cell death. This enzyme added sequences onto the ends of the chromosomes, thereby preventing extreme shortening and loss of genetic material. In a way, telomerase would give cells immortal life, by continuously regenerating its ends. However, telomerase are usually inactive in the human body because normal cells do not divide frequently, and therefore, the chromosomes do not shorten.
What is retrovirus?
Retrovirus replicates inside cells that have entered by force using an enzyme called "reverse transcriptase" which transcribes RNA into DNA.
The enzyme telomerase solves the problem of replication by?
Telomerase is an enzyme that adds nucleotides to the ends of telomeres in chromosomes. They do not solve any problems in replication
When a body cell divides through the process of mitosis what is the number of chromosomes in the daughter cells?
After mitosis each daughter cell contains 46 chromosomes as the DNA replicates itself before the cell divides
What phase does preparation for cell division occur?
during interphase the cells prepare for the divsion and the DNA replicates and chromosomes form
