How do changes in gene expression relate to cell differentiation and specialization? Does every human cell have the same DNA, RNA or proteins?

Q: Could you provide examples of stem cells that give rise to several types of differentiated cells…

A: The study of stem cells and their potential to distinguish into various types of cells could be an…

Q: What might be a consequence if a person couldn't make the protein p53?

A: The division of a cell into two daughter cells with the same genetic material is known as cell…

Q: Which cell has the full genetic potential ofthe organism ?

A: Totipotent stem cells can be defined as the type of cells which have the potential to generate the…

Q: You are studying a gene that makes a protein product that is important to vision. In which cell…

A: Bone marrow cells of an adult: These cells are primarily involved in hematopoiesis, which is…

Q: Describe how Ras and p53 can alter the simplified genetic pathway controlling cell division shown…

A: There are two general types of genes that play a fundamental role in cancer induction:…

Q: How does the microenvironment surrounding stem cells influence their fate during the process of cell…

A: The microenvironment surrounding stem cells, also known as the stem cell niche, plays a crucial role…

Q: One important biological effect of a large dose of ionizing radiation (like X-rays) is to halt cell…

A: Cell division is an important process that helps to keep the cells growing in number. This enables…

Q: A Patients with an inherited cancer have a mutation in a zinc-finger motif of P21 (a cell-cycle…

A: Each organism's DNA sequence is unique. Its base-pair sequence might vary from time to time. It is…

Q: What is cancer? What defects are commonly found in cancer cells? Do all cancer cells have mutations…

A: Cancer is a group of diseases characterized by the uncontrolled growth and spread of abnormal cells…

Q: What specific molecular factors determine the differentiation of embryonic stem cells into different…

A: Embryonic stem cells (ESCs) are pluripotent stem cells derived from the inner cell mass of a…

Q: How Mutations Cause Cancer Phenotypes?

A: The medical condition of cancer is generally characterized by the presence of a cluster of cells…

Q: Select the statements that accurately describe different ways that translocations could lead to…

A: Answer-  (A) A translocation breaks up the sequence of a gene for a protein that stimulates…

Q: Do more mutations necessarily mean that more cancer-causing genes are faulty? Why or why not?

A: Biotechnology is a wide range of studies where it uses its techniques with biological systems to…

Q: Describe the steps by which the TP53 gene responds to DNA damage and/or cellular stress to promote…

A: It codes for a protein or a functional product rRNA (ribosomal RNA) or tRNA (transfer RNA). DNA is…

Q: cytoplasmic determinants

A: Stem cells are the specialised cells of body which have continuous power of division and power of…

Q: Is PI3K a proto-oncogene or a tumor suppressor gene? Why

A: PI3K means Phospho inositol 3 kinase gene.It is involved in signalling pathways.It is the mutation…

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: How does the concept of a stem cell differ between animal and plant systems?

A: A major difference that lies between plant stem cells as well as animal stem cells is that:  plant…