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Why do cells spend the most time in interphase?
Not all cells divide at the same rate, but that difference is only in the length of the interphase which can vary by up to years for some tissues. It is just that prophase, metaphase, anaphase and telophase are much less variable as the process has to complete (not stable stuck in the middle of dividing, see Larson).
How is the amount of DNA in the beginning of Mitosis different from the amount at the end?
At the beginning of mitosis, the amount of DNA is the same as at the end. The DNA is replicated during the S phase of interphase to form sister chromatids, which separate during mitosis and result in two daughter cells with the same amount of DNA as the parent cell.
Can chromosomes be seen only during cell division?
No, chromosomes can also be seen in non-dividing cells during interphase under a microscope. In interphase, chromosomes are less condensed and appear as long, thin, thread-like structures within the nucleus. During cell division, chromosomes condense further to become more visible as distinct structures.
Why dont all mutations cause cancer?
Not all mutations cause cancer because our cells have mechanisms in place to repair damaged DNA, preventing mutations from accumulating or causing harm. Additionally, mutations must occur in specific genes that regulate cell growth and division in order to lead to cancer. The body also has mechanisms to detect and eliminate cells with harmful mutations before they can develop into cancer.
Does estrogen play a role in the development of breast cancer?
Yes, estrogen can play a role in the development of breast cancer. Estrogen is a hormone that can stimulate the growth of breast cells, and high levels of estrogen over a long period of time can increase the risk of developing breast cancer.
Which type of cell on average has a shorter interphase a skin cell or nerve cell?
Skin cells, epithelial cells need to be renewed rather quickly in the skin, so they get into Mitosis phase in a short time; neurons generally do not reproduce, so they stay in interphase stage for a long time.
What stage does the cell spend most if its time in the cell cycle?
Interphase, which is the first stage in the cell cycle
About how long does a human skin cell stay in interphase in mitosis?
A human skin cell typically spends about 18-24 hours in interphase before entering mitosis. Interphase consists of three stages: G1, S, and G2, during which the cell grows, replicates its DNA, and prepares for cell division.
Did they have cancer in the 1930s?
Yes. They didn't have the same diagnosis tools and treatments but cancer has been around for as long as there have been cells.
How long does Interphase last?
The majority of the cell cycle is spent in interphase. There are three stage of interphase that end when a checkpoint is achieved, in totality 90 percent of the time or 20 hours of interphase.
Is skin cancer symptoms long term or short term?
They are middle term.
Genetic material found in the nucleus during interphase?
chromatin
What are the long term and short term effects of nuclear energy?
long term it may elevate long term cancer risks
Does cancer cells mean you have cancer?
Technically, yes, if you have cancerous cells in your body, you do have some cancer. However, if it is only a few cancerous cells, and they haven't targeted any organs yet, they are generally easy to remove. Basically, cancer cells are mutated cells that start somewhere, and multiply at a faster rate than normal cells, and will form a tumor These cells will eventually go into the blood stream, and target an organ such as the liver, where they will begin multiplying into another tumor, and so on. So, as long as these cancer cells have not yet reached the blood stream, simply removing the tumor will get rid of the cancerous cells, as the cells are only, presently, skin deep.
Does secondary cancer mean you have not got long to live?
Secondary cancer occurs when cancer cells from the primary site break away and spread to another part of the body. No, secondary cancer does not necessarily mean that you have not got long to live, but in truth nobody knows the life expectation of someone with secondary cancer.
When culturing cells why do researchers prefer cancer cells over healthy cells extracted from an organism?
Cancer cells proliferate rapidly and can be grown indefinitely in culture, making them useful for long-term experiments. They also exhibit genetic alterations that mimic those seen in human cancers, providing insights into cancer biology and potential drug targets. Healthy cells are more difficult to maintain in culture and have a limited lifespan, making them less practical for long-term studies.
Does Oxycontin damage brain cells?
Not very much. It's a quite safe drug for long term use. Can damage lung cells, causing cancer if snorted for long periods of time.
