Describe the changes that can convert a proto-oncogene into an oncogene.

Q: Distinguish between proto-oncogenes and tumorsuppressor genes.

A: The proto-oncogenes are those genes, which promote cell cycle and inhibit apoptosis of the cells.…

Q: Describe the nature of p53 reactivation as acancer-fighting strategy

A: Cancer is a condition that arises due to uncontrolled cell division.

Q: Describe three types of genetic changes that commonly convert aproto-oncogene to an oncogene.…

A: The genetic alteration results in the advantage in growth of the cell. The 3 genetic change…

Q: // Which of the following can become oncogenes by over-expression of the normal protein? src O Cip…

A: Introduction :- Oncogene is a  gene that is a mutant (changed) version of a normal cell growth gene.…

Q: Explain the Role of proto-oncogenes and tumorsuppressor genes ?

A: The inactivation of tumor suppressor genes induces cancers although the activation of the…

Q: Define checkpoint pathway,

A: The cell is the basic unit of life. The tissue is a group of cells that perform a specific function.…

Q: Explain why cell injury due to genetic causes are alarmingly increasing each year.?

A: Cell injury is damage in the cell that occurs due to some external and internal…

Q: is the p53 protein an activator or a repressor? How do you know?

A: p53 protein is protein which is coded by Tp53 gene which is also known by the name Gaurdian of the…

Q: Describe Oncogene is responsible for

A: Introduction : Cancer: It is a disease caused by the uncontrolled division and differentiation of a…

Q: What role Proto-oncogenes play ?

A: Deoxyribonucleic acid (DNA) is the instruction manual for the building of life. The complete set of…

Q: Explain The p53 pathway is part of the G1-to-S checkpoint?

A: As with most body processes, the cell cycle is highly regulated to prevent mutated cell synthesis…

Q: Why is cytokinesis important during the embryonic development?

A: A series of events that occurs in a cell to make it ready for the division is the cell cycle.  There…

Q: In a Ccpp individual, which functional enzyme ismissing? Is it the enzyme encoded by the C or P…

A: Recessive Allele is the result of a loss of function mutation.

Q: Discuss about cytokinesis

A: Cytokinesis : It is the physical process of cell division which divides the cytoplasm of a parental…

Q: Explain why IC3 is able to stop cancerous cells from dividing ?

A: Tumor-suppressor proteins are those proteins that normally act to stop abnormal cell growth. But…

Q: Describe the general functions of oncogenes.

A: Ans: Oncogenes: The genes which has potential to cause cancer are called as Oncogenes.

Q: Which of the following mechanisms cannot activate a proto oncogene to an oncogene? * A single point…

A: A gene that does have the possibility to trigger cancer is known as an oncogene. These genes are…

Q: Which of the following is NOT a typical mechanism by which a proto-oncogene is converted to an…

A: Proto-oncogenes are healthy genes that are found in the cell. They play a very important role in…

Q: What is a proto-oncogene? What are the typical functions of proteinsencoded by proto-oncogenes? At…

A: Oncogenes are those mutated or highly expressed genes that may alter the normal functioning of the…

Q: Explain why p53 is mutated in the vast majority of human cancers.

A: Any isoform of a protein encoded by homologous genes in multiple animals, such as TP53 and Trp53, is…

Q: ene is responsible for

A: A factor is that the basic physical and useful unit of heredity. Genes are created of polymer. Some…

Q: explain Translocations that generate oncogenes

A: A gene that has the potential to cause cancer is called oncogene. In a tumor cell, these genes are…

Q: Describe the underlying causes of epigenetic changes associated with cancer.

A: DNA is the genetic material in most living organisms. It is the information hub of the cell that…

Q: Define the following terms: a. cell transformation b. oncogene c. apoptosis d. early response gene…

A: Gene regulation is the mechanism that acts to induce or repress the expression of the gene.that…

Q: Define oncogene, proto-oncogene, and tumor-suppressor gene.

A: The most common gene in people with cancer is p53 or TP53. More than 50% of cancers involve the lost…

Q: What types of functions are performed by the products of proto-oncogenes?

A: Small segments of DNA encodes information for different functions and structure of the cell and thus…

Q: All of the following are characteristics of oncogenes EXCEPT Multiple Choice they are mutated…

A: Oncogenes have among other properties: They are proto-oncogenes that mutated. They make normal…

Q: Give Examples of oncogenic mutations?

A: An oncogene is a gene that has the potential to cause cancer when these genes are mutated or…

Q: compare and contrast cancer caused by viruses and cancer caused by oncogenes

A: Introduction Cancer is a disease occurs due to uncontrolled mitosis. Cancerous cells can destroy…

Q: In 3-5 Sentences  Explain the difference between normal p53 and mutated p53.

A: p53 is a protein produced by the TP53 gene in humans. The main function of p53 protein is to stop…

Q: Explain how epigenetic changes can contribute to tumorigenesis.

A: Tumors are clumps of cells formed by uncontrollable cell division. Tumorigenesis is the uncontrolled…

Q: Explain why the continually active CDK will most likely change the normal cells into cancer cells.

A: The cell cycle is a series of events through which cells divide and produce daughter cells. It is…

Q: Explain Male- and female-specific forms of Dsx protein.

A: DNA is the genetic material in most living organisms. It is the information hub of the cell that…

Q: Define DNA marker

A: Deoxyribonucleic acid (DNA) is the genetic material of most organisms. Deoxyribonucleic acid is…

Q: Describe different techniques that mightrestore p53 to a cell lacking it.

A: Introduction: Proteins are major macromolecules that perform various roles in the living body. p53…

Q: Explain epigenetic changes

A: Epigenetic: is the study of changes in organisms caused by modification of gene expression rather…

Q: what are the normal funtions of the p53 gene

A: p53 gene is also called as tumour suppressor gene or Tp53 gene produces the protein called tumour…

Q: Why does a single mutation in a proto-oncogene, turning it into an oncogene potentially lead to a…

A: Proto- oncogene Activation of a proto- oncogene into an oncogene usually includes gain of function…

Q: What are some examples of oncogenes?

A: In a normal cell there are some genes that control functions like regulation of apoptosis, some has…

Q: Please explain the relationship between proto-oncogenes and the cell cycle. Then describe three…

A: The cell cycle has several checkpoints which regulate the various stages of cell cycle. There are…

Q: Explain how drugs such as Gleevec® and Herceptin®target specific products of oncogenes.

A: During 1980, the scientist discovered that several growth factors and other compounds responsible…

Q: Describe the relationship between proto-oncogenes and oncogenes.

A: Oncogene: a mutant form of a normal gene that controls the cell cycle positively. A proto-oncogene…

Q: Explain the difference between a proto-oncogene and a tumor-suppressor gene.

A: Cancer is the state of uncontrolled cell division.

Mitochondrial Mutations

A mitochondrion is a cellular organelle that serves as the site for cellular respiration and energy production (ATP or Adenosine Triphosphate). It is a double-membrane-bound organelle and is only present in eukaryotic cells.