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Why is it important that cell growth in a multi- cellular organism be regulated so carefully?

In multicellular organisms, cell division must be carefully regulated to ensure that growth of the organism is coordinated, replacement of dead cells takes place in an orderly fashion, and repair of injured cells is initiated when needed. Cell division must also be halted when growth and repair are completed. Cell division is controlled by a variety of factors. One of the most important controls is carried out by molecules called growth factors.


What do oncogenes normally encode for?

Oncogenes typically encode for proteins that promote cell growth and division. When these genes are mutated or overexpressed, they can drive uncontrolled cell growth, leading to the development of cancer.


Is it true that the cell cycle is regulated very tightly?

The cell cycle is regulated by three checkpoints viz G1, G2 and Meta phase checkpoints. Check points help to detect DNA damage and repair it. If repair is not possible then it generate signals to destruct the cell via apoptosis. Hence the statement is true. true


What regulates growth through secretion of growth hormone?

Secretion of growth hormone (GH) in the pituitary is regulated by the neurosecretory nuclei of the hypothalamus.


What is a malignant gene?

A malignant gene is a gene that has mutated and is involved in promoting cancer growth and progression. These genes can be oncogenes, which promote cell proliferation, or tumor suppressor genes, which normally inhibit cell growth but are inactivated in cancer.

Related Questions

Why is it important that cell growth in a multicellularur organism be regulated so carefully?

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How does cancerous cell growth differ from normal cell growth, and can you explain the key distinctions between the two processes?

Cancerous cell growth is different from normal cell growth because cancer cells divide uncontrollably and can invade surrounding tissues. Normal cell growth is tightly regulated and stops when the body doesn't need more cells. The key distinctions between the two processes are the uncontrolled division of cancer cells, their ability to spread to other parts of the body, and their resistance to signals that would normally stop cell growth.


Why is it important that cell growth in a multicellular organism be regulated so carefully?

In multicellular organisms, cell division must be carefully regulated to ensure that growth of the organism is coordinated, replacement of dead cells takes place in an orderly fashion, and repair of injured cells is initiated when needed. Cell division must also be halted when growth and repair are completed. Cell division is controlled by a variety of factors. One of the most important controls is carried out by molecules called growth factors.


What is cell growth?

Cell growth refers to the increase in the size and/or number of cells in an organism. It is a fundamental biological process that plays a crucial role in development, repair, and the maintenance of tissues in living organisms. Cell growth is tightly regulated by various factors to ensure proper functioning of the organism.


What is an oncongene?

A gene that normally directs cell growth. If altered, it can promote or allow the uncontrolled growth of cancer


Why is it important that cell growth in a multi- cellular organism be regulated so carefully?

In multicellular organisms, cell division must be carefully regulated to ensure that growth of the organism is coordinated, replacement of dead cells takes place in an orderly fashion, and repair of injured cells is initiated when needed. Cell division must also be halted when growth and repair are completed. Cell division is controlled by a variety of factors. One of the most important controls is carried out by molecules called growth factors.


What do oncogenes normally encode for?

Oncogenes typically encode for proteins that promote cell growth and division. When these genes are mutated or overexpressed, they can drive uncontrolled cell growth, leading to the development of cancer.


What occurs when the cell cycle is no longer regulated?

When the cell cycle is no longer regulated, cells can undergo uncontrolled division leading to the formation of a tumor or cancer. This can result in abnormal growth of tissues and potentially invade other tissues in the body, causing harm. It is important for cells to maintain proper regulation in the cell cycle to prevent these issues.


How does the cancer cell cycle differ from a normal cell cycle, and can you explain the specific differences between the two?

In cancer cells, the cell cycle is disrupted, leading to uncontrolled growth and division. This results in the formation of tumors. Normal cells, on the other hand, follow a regulated cell cycle with checkpoints to ensure proper division and growth. The specific differences between the two include the loss of cell cycle control in cancer cells, leading to rapid and uncontrolled proliferation, as well as the ability of cancer cells to evade cell death mechanisms that would normally eliminate abnormal cells.


What role does p53 have in controlling cell division?

Cell division is regulated by the p53 gene and relates to cancer because Cancer is caused by uncontrolled cell divison


What are the direct all the activities of the cell?

The activities of a cell are regulated by the nucleus.


What is it call when Leaf blades grow larger as a result of cell division?

This process is called leaf expansion, where the leaf blades increase in size due to cell division and cell enlargement. This growth is often regulated by hormones such as auxins and gibberellins.