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Cancerous cells divide more rapidly than normal cells due to mutations that disrupt the regulatory mechanisms controlling the cell cycle. These mutations can lead to the overexpression of growth factors, activation of oncogenes, or inactivation of tumor suppressor genes, all of which promote uncontrolled cell proliferation. Additionally, cancer cells often evade the normal apoptotic signals that would typically lead to cell death, allowing them to accumulate in greater numbers. As a result, the overall rate of cell division in cancerous tissues is significantly higher.
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Which type of tissue would have a higher mitotic index normal tissue or cancerous tissue?
Cancer cells have higher mitotic index because they have a mutation in the DNA so they reproduce uncontrollably and therefore divide faster which means they have a higher mitotic index. ex. In a normal lung tissue, % of cells dividing is 5% while in a cancerous lung the % of cells divding is 25 %
When cells are not responding to normal controls over growth and division they form tissue mass known as?
When cells are not responding to normal controls over growth and division, they can form tissue masses known as tumors. Tumors can be either benign (not cancerous) or malignant (cancerous).
When uncontrolled cell division occurs cells can become what?
When uncontrolled cell division occurs, cells can become cancerous. Cancerous cells can continue to divide and grow uncontrollably, forming a tumor. These cells can also invade surrounding tissues and spread to other parts of the body through a process called metastasis.
What is happening in cancerous cells during division?
During division, cancerous cells often exhibit uncontrolled proliferation due to mutations in genes that regulate the cell cycle. Unlike normal cells, they may bypass critical checkpoints, leading to rapid and unregulated replication. Additionally, cancer cells can evade apoptosis, allowing them to survive despite genetic damage. This aberrant division contributes to tumor growth and the potential for metastasis.
Would cancerous cells be more dangerous if they went through mitosis slower than normal cells?
Cancerous cells are typically characterized by uncontrolled and rapid cell division, which allows them to proliferate quickly and invade surrounding tissues. If cancerous cells underwent mitosis more slowly than normal cells, they might be less aggressive in terms of growth and spread. However, their danger could still stem from other factors, such as their ability to evade the immune system or resist treatments. Ultimately, the overall impact of cancerous cells depends on multiple factors beyond just the rate of mitosis.
Will normal or cancerous cells have a higher growth rate?
the cancerous cells
What is a uncontrolled division of cells?
A cancerous tumor.
Which type of tissue would have a higher mitotic index normal tissue or cancerous tissue?
Cancer cells have higher mitotic index because they have a mutation in the DNA so they reproduce uncontrollably and therefore divide faster which means they have a higher mitotic index. ex. In a normal lung tissue, % of cells dividing is 5% while in a cancerous lung the % of cells divding is 25 %
When cells are not responding to normal controls over growth and division they form tissue mass known as?
When cells are not responding to normal controls over growth and division, they can form tissue masses known as tumors. Tumors can be either benign (not cancerous) or malignant (cancerous).
When uncontrolled cell division occurs cells can become what?
When uncontrolled cell division occurs, cells can become cancerous. Cancerous cells can continue to divide and grow uncontrollably, forming a tumor. These cells can also invade surrounding tissues and spread to other parts of the body through a process called metastasis.
Why the cells depicted in line A are most likely cancerous?
The cells in line A are likely cancerous because they appear crowded, irregularly shaped, have enlarged nuclei, and are not organized in a uniform manner as normal cells. These characteristics suggest uncontrolled growth and division typical of cancerous cells.
What is happening in cancerous cells during division?
During division, cancerous cells often exhibit uncontrolled proliferation due to mutations in genes that regulate the cell cycle. Unlike normal cells, they may bypass critical checkpoints, leading to rapid and unregulated replication. Additionally, cancer cells can evade apoptosis, allowing them to survive despite genetic damage. This aberrant division contributes to tumor growth and the potential for metastasis.
What kind of cell don't respond to normally to the bodys control system for cell division and divide excessively?
Cancerous cells.
What role does mitosis play in cancer?
Mitosis arguably plays the largest role in cancer. Mitosis is responsible for the growth and division of the cancerous cells.
What effects does cancer have on a cell cycle of a cancerous cell?
It can give cancer to all the other cells, so it causes more cells to be cancerous. It goes all around the body and the number of the cancer cells will get much more than the first.
What cells are more cancerous?
Brain cells
Would cancerous cells be more dangerous if they went through mitosis slower than normal cells?
Cancerous cells are typically characterized by uncontrolled and rapid cell division, which allows them to proliferate quickly and invade surrounding tissues. If cancerous cells underwent mitosis more slowly than normal cells, they might be less aggressive in terms of growth and spread. However, their danger could still stem from other factors, such as their ability to evade the immune system or resist treatments. Ultimately, the overall impact of cancerous cells depends on multiple factors beyond just the rate of mitosis.
