Describe what can happen to chromosomes in cancer cells.

Q: Which of the following cell types will most likely reach cell senescence after many rounds of…

A: Introduction: Senescence is the gradual deterioration of functional characteristics with age.

Q: Describe how is cancer related to cell cycle

A: A cell cycle is a series of events that takes place in a cell as it grows and divides. The cell then…

Q: Discuss the connection between cell division and cancer cells? How do cancer cells divide…

A: Cancer is the disease of cells in which the controls that normally restrict cell proliferation do…

Q: Explain how a primary cell line is established from a piece of biopsy tissue removed from a cancer…

A: Primary cell cultures are a very important tool that is used in biotechnology and in research. A…

Q: What has happened to the chromatin in the diagram? What regulatory proteins binds to what part of…

A: DNA is a double helical structure, which is wrapped around histones.  histones are proteins found in…

Q: How do cancer cells acquire a potential for immortality?

A: The cancer cells are characterized by the ultimate power of division,  flooding the blood with…

Q: Could a gene be involved in the growth of both stem cells and some kinds of cancer? Explain your…

A: in stem cells we have an important class of genes called proto-oncogenes [PO] with are necessary for…

Q: In cancer like disease, what kind of mutations are more focussed? Single Nucleotide Polymorphism or…

A: Introduction  Cancer is well known disease now a day. In US, 1 in 2 women and 1 in 3 men develops…

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: In which phase does DNA replicate

A: Cell division is the result of a sequence of processes that take place within the cell. The cell…

Q: How might a mutation in the DNA result in the formation of cancer ?

A: The mutation is any change or alteration in the nucleotide sequence of the DNA. The mutation of a…

Q: What would happen if apoptosis (cell death) did not occur in cells that have significant DNA damage?

A: All living organisms are made up of cells. The cells are the basic structural and functional unit of…

Q: What can happen to chromosomes in cancer cells?

A: Cancer cells vary from normal cells in a range of ways. Normal cells become cancerous after a…

Q: Which important characteristic of tumor cells did Otto Warburg discover?

A: Cells are the primary functional unit of life. It divides in number to proceed development in the…

Q: Explain the theory behind how a normal cell turns into a malignant tumor cell and forms metastases.

A: Cancer is a group of diseases involving abnormal growth of cells, which tend to proliferate in an…

Q: The nuclei and their chromatin are fragmented into pieces by endonuclease enzymes Karyolysis A O…

A: Endonucleases are enzymes that cleave the phosphodiester bond within a polynucleotide chain.

Q: Describe DNA Damage: Definition: Define DNA damage. What are some causes of DNA damage? What…

A: (a) DNA damage as the term suggest is the abnormal chemical structure in the DNA molecule. It is…

Q: Most forms of cancer are caused by environmental agents that produce mutations in somatic cells. Is…

A: Environmental factors have been known to trigger a lot of the mutations which develop into cancerous…

Q: Describe the appearance and composition of chromatin and the structure of nucleosomes. Comment on…

A: Answer- Chromatin is uncondensed genetic material which is present in the nucleus most of the time…

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: discuss the makeup of chromosomes in a cell.

A: In the nucleus of each cell, the DNA molecule is packaged into thread-like structures called…

Q: Describe how tumor suppressors function to stop the cell cycle until certain events are completed

A: Normal genes that delay cell division, repair DNA errors, or tell cells when to die are known as…

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: Compare and contrast the relationship between chromatin andchromosomes.

A: The genetic material refers to the materials present in the nucleus, mitochondria, and cytoplasm,…

Q: Label each phase and describe what is happening to the DNA. Interphase, Prophase, Metaphase,…

A: In cell biology, Cell division is defined as the division of the cells into two daughter cells for…

Q: Which of the following is the most likely effect of a mutation in the gene coding for a DNA repair…

A: Biological macromolecules are those large molecules that are necessary for the survival and growth…

Q: Characterize DNA Elements Required for Chromosome Replication and Transmission

A: Chromosomes are the complex form of DNA (deoxyribonucleic acid). It is a compact structure composed…

Q: How Cancer Involves the Proliferation of a Clone of Cells?

A: When the cell division becomes out of control and cells starts accumulating it results in cancer.

Q: hat are two common defects related to cell division that cause cancer

A: One of main defect is mutation for cancerous cells that can result in the cell becoming overwhelmed…

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: Explain the property that prevents normal cells from becoming cancerous.

A: All living things are made up of cells, which are the most basic and important unit. All of life's…

Q: Which type of mutation would NOT be involved in the inactivation of a tumor suppressor gene?

A: Normal cell growth in body is controlled by -  1. Protooncogene or cellular oncogene - Protooncogene…

Q: explain the difference between chromatin granules and chromosomes

A: DNA in the nucleus is packaged and managed by special proteins called histones to form a complex…

Q: Outline the steps that lead to a cell becoming cancerous

A: An abnormal cell division is known as cancer. Cancer occurs when the cells proliferate in an…

Q: If there is inhibition to the DNA synthesis, what specific cell cycle will be affected? Will the…

A: DNA replication is important because without it the new cells that are produced during mitosis or…

Q: True or False: Cancers develop when many mutations develop rather than from a single mutation

A: Cancer is a genetic disease. It’s not a single disease, rather it is two or more hundreds of…

Q: What is the relationship between the cell cycle and cancer production?

A: A cell is the fundamental, structural, and functional unit of the living cell bounded with a cell…

Q: describe the stages of the cell cycle   use the knowledge of the cell cycle to explain why…

A: Cell cycle is comprised of four steps and prepare the cells for cell division so that cell's content…

Q: Describe the purpose of cell cycle checkpoints.

A: Introduction  The cell cycle is controlled by various internal and external factors such as the…

Q: during mitosis with a light microscope, you cannot see the DNA while it is being replicated with the…

A: The chromosomes are lined up in mitosis before they are separated. However, the Chromosomes are…

Q: Describe the role of microtubules in nuclear division.

A: A microtubule is a type of filament present in the cytoskeleton.

Q: How has the study of mitosis affected scientists’ knowledge of cancer?

A: Cancer is a disease in which tissue show unrestricted growth. cancer are of different types based on…

Q: Why is it essential for a cell to repair mutations in its DNA? What happens to the cell if the…

A: DNA repair is a mechanism of our body to repair any mutation or any mismatch in the DNA strand.

Q: What characterizes a cancer cell?

A: Introduction Loss of control over regulated mechanisms like division, differentiation, and apoptosis…

Q: What characteristics are shown by cancer cells?

A: Cancer or tumor cells are the cells that have lost the property of controlled growth and development…

Q: What are the Characteristics of Cancer Cells?

A: Cancer is a disease of cells, in which the controls that normally restrict cell proliferation do not…

Q: Define telomeres, telomerase, and senescence and describe their effects on cancer.

A: Introduction  Cancer is a disease when a few of the body's cells grow out of control and spread to…