Could a gene be involved in the growth of both stem cells and some kinds of cancer? Explain your answer.

Q: Could stem cells be made to differentiate into meat cells and then cloned to produce edible meat?

A: Stem cells are specialized undifferentiated cells that have the ability to give rise to different…

Q: Can we treat cancer by restoring tumor suppressor function such as mutated p53 or pRb?  If so, how…

A: The process by which a cell gives rise to two identical daughter cells is referred to as cell…

Q: What is the link between epigenetics and cancer?

A: Epigenetics is considered as the study in which the gene shows its behavior according to the…

Q: Define tumor-suppressor genes. Why is a mutated single copy of a tumor-suppressor gene expected to…

A: The repeated and uncontrollable division of cells forms a large mass called the tumor. Tumors might…

Q: Explain how p53 functions as a tumor suppressor gene. How can mutations in p53 lead to cancer, and…

A: Normal cell has low level of p53 protein. When DNA damage or other stress signals may trigger p53…

Q: What are Two kinds of cancer-producing mutations?

A: Cancer is defined as any one of a large number of diseases characterized by the development of…

Q: Yamanaka’s 2012 Nobel Prize was awarded for hisa. successful cloning of Dolly the sheep.b.…

A: Answer is b.) demonstration that transcription factors canepigenetically reprogram adult cells.

Q: If cancer is fundamentally a genetic disease, how might an environmental factor such as smoking…

A: Tumor is a mass of tissues. It may be benign or malignant. The cellular growth that occurs when the…

Q: explain how p53 functions in a cell that sustained DNA damage to prevent progression of that cell…

A: p53 induces numerous different target genes and blocks the different stages of progression of tumor…

Q: Why is regulating transcription the main way that cells control gene expression?     A. Because…

A: Transcription is the process in which RNA is synthesized with the help of RNA polymerase enzyme. RNA…

Q: The role of p53 in normal cells is toa. create cancer-blocking mutations.b. trigger unrestrained…

A: Answer- P53 is the tumor supressing gene that is prensent in every cell. Any mutation in this leads…

Q: For a gene to be cancer-inducing, both copies of the gene must be affected, explain it with example.

A: Cancer inducing gene The gene having the potential to cause cancer are called as cancer inducing…

Q: Explain how Epigenetics are related with Cancer ?

A: Answer- Epigenetics is the change in the gene expression without changing the sequence of the DNA.

Q: what is the role and relevence of chromatin in gene expression

A: Chromatin: It is the mass of genetic materials composed of DNA and Proteins which are condensed to…

Q: What is an induced pluripotent stem cell? a. A cell from which the nucleus has been removed b. A…

A: In multicellular living beings, stem cells are undifferentiated or part of the way separated cells…

Q: How can cancer arise from stem cells?

A: Stem cells are unique human cells and can grow into several cell types. This can vary between cells…

Q: Define tumor-suppressor genes. Why is a mutation in a single copy of a tumor-suppressor gene…

A: Tumor-supressor genes: Tumor-suppressor genes is defined as normal genes that will slow down the…

Q: Although tobacco smoking is responsible for a large number of human cancers, not all smokers develop…

A: Cancer refers to the uncontrolled cell division caused by the mutations in the genes which control…

Q: What is the difference between the different kinds of STEM cells?

A: Stem cells are self-renewal cell. They are undifferentiated cells that have the ability to divide…

Q: Compare and contrast oncogenes and tumor suppressor genes.

A: Oncogenes are those genes that have the potential to cause cancer. These genes are often mutated or…

Q: Which of the following is not a tumor suppressor gene? a.RET b.RB c.BRCA1 d.BRCA2

A: A normal cell undergoes regulated division, differentiation, and apoptosis (programmed cell death).…

Q: “Gene therapy can be used in treating cancers”- Briefly explain this statement at your own words.

A: Gene therapy is a branch of medical science that emphasizes genetically altering cells to provide a…

Q: Describe the differences between point mutations, chromosomal translocations, and gene amplification…

A: Cancer is a disease that is associated with the uncontrolled division of cells and invasion of…

Q: Imagine that you are a scientist who wants to better understand the genetic mechanisms underlying…

A: Mus musculus is an experimental model organism that allows researchers to test the role of certain…

Q: How do normal cells protect themselves from accumulating mutations in genes that could lead to…

A: Studies reveal that the p53 protein instructs cells to under-go apoptosis when mutations in the DNA…

Q: Describe the cell engineering process you would use to control the proliferation activities of stem…

A: Stem cells have the capacity to renew, regenerate and differentiate into specialized stem cells. The…

Q: In some cancer cells, a specific gene has been duplicated many times. Is this gene likely to be an…

A: Cancer is an uncontrolled division of cell that has a defunct apoptosis mechanism. Usually, when…

Q: How might stem cells be used to repair brain or heart damage, even though these cells do not undergo…

A: Differentiation is important because specialized cells are used up, damaged or die all the time…

Q: relationship that may exist between mutations and cancer

A: Any permanent change occurring in the DNA base sequence is referred to as a mutation. The mutation…

Q: explain what are stem cells

A: A cell is the basic structural, functional, and biological unit of the all known organisms. A cell…

Q: Please distinguish driver and passenger mutations in cancer.

A: Driver mutations: Mutations in known oncogenes that help cells establish or maintain the transformed…

Q: Give a possible explanation for why a mutation in a single gene does not always lead to cancer.

A: Mutation in a gene is defined as any change or alteration in the structure, and hence, function of…

Q: Cells in a tumor contain mutated copies of a particular gene that promotes tumor growth. Gene…

A: An oncogene helps in control cell division and  contributes to cancer progression whereas a tumor…

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: Which of the following options best depicts the flow of information when a gene directs the…

A: The journey from a gene to a cellular component (proteins) is a complex process and is strictly…

Q: help!!! Answer the following questions Only in cell biology 1. A. Discuss the roles of two main…

A: Stem cells are reserve cells that involve in the growth and differentiation of tissues. It has the…

Q: Do mutations that cause cancer in an individual pass down to his/her offspring? What is the role of…

A: Cancer is the umbrella term for a group of diseases. Any of the body's cells begin to divide without…

Q: a. How could you use sequence analysis to determine if this patient inherited the mutation from one…

A: There are various diagnostic technique used to diagnose cancer and they are:- Biopsy, Breast MRI,…

Q: In cell growth, how does the normal allele of BRCA1 work? Is it an oncogene or a tumor suppressor…

A: Cell growth is a very complex and orderly process in which various enzymes cell signaling pathways…

Q: In DNA repair, how does the normal allele of BRCA1 work? Is it an oncogene or a tumor suppressor…

A: During the replication process, the base airs are mismatched or some of the base pairs undergo…

Q: How can mutations in noncoding segments of DNA contribute to the development of cancers?

A: The functions segment of hereditary material that mainly codes for the proteins is a gene. The…

Q: What is the role of regulatory gene mutations in cancer?

A: Regulatory genes are defined as genes which control or regulate the expression of one or multiple…

Q: Explain how our understanding of the molecular basis of cancer has been used to develop new…

A: Hippocrates a Greek physician described cancer as ulcer-forming and non-ulcer-forming carcinoma,…

Q: Why is it important to model cancer through the generation of induced pluripotent stem cells ?…

A: induced pluripotent stem cells are the type of stem cells that are produced from the somatic cells…

Q: Some cancers have been treated with drugs that demethylate DNA.Explain how these drugs might work.…

A: Cancer is a disease that is associated with genetic changes. The mutations in the oncogenes and…

Q: What is the purpose of gene regulation? A. producing products that are needed in the cell at that…

A: Introduction  A gene is a basic unit of heredity that encodes the production of a gene product, such…

Q: Imagine you have used cBioportal and breast cancer patient datasets and identified a…

A: Introduction :- Cancer is defined as the uncontrolled and un-regulated proliferation of cells , due…

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

A: Cancer is the state of uncontrolled cell division.