Radiation therapy is commonly used in the treatment of cancer because it interferes with the formation of the mitotic spindle. inhibits growth factor signaling pathways. induces DNA double-strand breaks. destroys oncogenes. induces mutations in tumor suppressor genes.
Q: hich of the following processes DOES NOT involve EMT? Cancer metastasis. B) Formation of the neural…
A: Epithelial mesenchymal transition is an important process where, polarized epithelial cells undergo…
Q: genes for retinoblastoma (pRB) and p53, act as ________ in regulating the cell cycle
A: The retinoblastoma (Rb) and p53 genes perform an important role in cell cycle mechanisms. They play…
Q: cancer can build up within an organism and creates a mass called a what
A: Given: Cancer can build up within an organism and creates a mass.
Q: Which of the following describes Gene Expression? O Take a Genetic Code and turn it into Proteins O…
A: Ans- Gene Expression is a) Take a Genetic code and turn it into Proteins. Genes are the structural…
Q: Which of the following statements related to Radiation Therapy is FALSE? Radiation therapy works by…
A: Radiation therapy is one of the common treatments for cancer. It uses high-energy particles such as…
Q: Which one is correct? In general, during mitosis: 23 pairs of human chromosomes get doubled. Only…
A: Mitosis is the process process of cell division.
Q: DNA that is not in use, is being stored and protected during the cell division processes is callen…
A: When the cell is not dividing (mitosis or meiosis), the DNA becomes condensed and is present in…
Q: Radiation and chemotherapy drugs preferentially killcells that divide frequently, most notably…
A: Answer- There are multiple ways to tackle cancer like chemotherapy and radiation therapy. They both…
Q: Direction: Do you think the cells of an onion look the same as the ones found in our body? Give two…
A: Cells The basic fundamental unit of life.
Q: Which is most likely a cancer treatment? a drug that kills only very small cells a drug that…
A: Cancer is defined as uncontrolled division of cells. It is caused due to the inappropriate apoptosis…
Q: Mutations in genes can cause a loss of inhibition? O Proto-oncogenes O Oncogenes O Tumor suppressor…
A: It is a change that occur in our DNA sequence due to mistakes when the DNA is copied.
Q: How is the cell division of cancer cells misregulated? What genetic and other changes might have…
A: The cell cycle posses various phases which include mitosis and cytokinesis causing nuclear and…
Q: Which of the following is involved in the formation of cancer? O mutations in genes involved in DNA…
A: Cancer is a disease in which cells of the body multiply uncontrollably and form tumours. Cancer is…
Q: Which combination of oncogenes and tumor suppressors is MOST likely to develop a tumor? 1) decreased…
A: Tumor is the characteristic feature of the abnormal cell division. The cell division rate is faster…
Q: The process of . occurs before the cell begins to divide to ensure that each daughter cell receives…
A: The cell cycle is the process that explains how the cell grows and prepares itself for cell…
Q: Describe the role of cell division in at least one of the following areas of biology: Stem cell…
A: Stem-cell research is the area of research which includes properties of stem cells and how it can be…
Q: Improper cell signaling can lead to cancer. True False
A: Cell is a structural and functional unit of living organisms. Several cells joined together to form…
Q: Most scientists and researchers believe that embryonic stem cells have great potential in treating…
A: Embryo is the initial stage of development of a multicellular organism.Each embryo starts…
Q: Cells can become cancerous for many reasons. Regardless of how they become cancerous, the same…
A: The number of cells in a tissue is determined by the balance between the cell division and the cell…
Q: The ability of a stem cell to become any kind of cell in the body is called: O Binary Fission O…
A: The cells of the body are designated with specific functions. The stem cells on the other hand do…
Q: Which of the following is an example of a proto-oncogene? 1) cell cycle inhibitor 2) tumor…
A: Oncogene The gene that are cancerous and divide cell abnormally.
Q: TRUE or FALSE: Cancer is not a single disease, but includes many different diseases. TRUE or FALSE:…
A: 1. Cancer is a genetic disease in which abnormal cells divide uncontrollably and destroy body…
Q: Cancer occurs when genes that regulate the cell cycle are mutated. True False
A: Cell cycle is a kind of division which produces daughter cells from the parent cell.
Q: True or False: When cell division gets out of control in a cell, metastasis can spread the cancer to…
A: Cell division is a process by which a cell divides into two or four daughter cells. The cell…
Q: Which of the following can occur when genes are not expressed properly it can result in uncontrolled…
A: Introduction:- Genes code for specific proteins which do their respective functions.The expression…
Q: What happens during the S phase of the cell cycle? The cell divides The cell undergoes…
A: Cell cycle is the cyclic process in which a cell divided into daughter cells. It consists of two…
Q: If a drug interferes with the formation of microtubules , its effectiveness must be related to…
A: Microtubules Microtubules are the microscopic hollow tubes made of proteins – alpha and beta…
Q: DATA SET 3: There are many differences between cancer cells and normal cells. Some of the…
A: Cancer is described as the excessive proliferation of abnormal cells in the body. Cancer occurs as…
Q: Cancer is a disease that results in uncontrolled cell division. Cancer cells have lost their ability…
A: Cancer cells have mutations that inhibit apoptosis and increase cell division to a significant…
Q: A change in what type of cell is most likely to cause a mutation that can be inherited? O brain…
A: The cell is the basic structural and functional unit of life. It carries out various functions in…
Q: contribute to cell proliferation protein and how would it stop or apoptosis? cancer? CDK2 MDM2 P21
A: Unregulated cell cycle results in the uncontrolled cell division called cancer. These abnormal cells…
Q: ____________ is the most common tumor suppressor gene that is often mutated in human cancers.
A: Tumor suppressor gene are also known as the anti oncogenes which performs the function of regulation…
Q: A researcher is studying the effects of a novel cancer drug on cell division and comparing the new…
A: Mitotic index It is defined as the ratio of the total number of cells of a specific population that…
Q: In radiation therapy, parts of the body that have cancerous tumors are exposed to high-energy…
A: Radiation therapy uses high-energy waves like gamma rays, protons, gamma rays, electron beams. This…
Q: oes cancer drugs play in interrupting mitosis of cancer cells? How do these drugs do that?
A: Cancer refers to abnormal growth or malignant tumors and is characterised by uncontrolled…
Q: Cancer is a disease related to uncontrolled cell division. Investigate two known causes for these…
A: Cancer develops when the body's normal control mechanism stops working. Old cells do not die and…
Q: Why is a rapidly growing tissue, such as the root tip of a plant, a good model for studying the…
A: The root tip of a plant undergoes rapid cell divisions due to the presence of meristematic cells.…
Q: A tumor suppressor gene (TSG) codes for a protein that is part of the system that regulates cell the…
A: Answer :- Option (C) is correct. - The TSG is downregulated due to hypermethylation which may lead…
Q: Describe how different chemicals and radiation can be involved in the development of cancer. Then,…
A: Malign neoplasias, or cancers, are abnormal and uncontrolled cell proliferation that can spread to…
Q: Describe the role of cell division in at least one of the following areas of biology: Stem cell…
A: Cell division is the process through which a parent cell divides into two or more daughter…
Q: Geneticists have found a number of different gene mutations that have led to the development of…
A: Mitosis is the type of cell division in which one cell divides to reproduce two identical cells.…
Q: Check all that is true about NORMAL healthy cells (there are more than one answer) O They undergo…
A: When cells die or get infected, healthy cells have the capacity to self-destruct. Healthy cells…
Q: What is the role of the spindle fibers during mitosis * They help separate the chromosomes. They…
A: Mitosis : It is a type of cell division in which a parent cell is divided into two genetically…
Q: Select the claim that can be made based on the information. UV radiation is required for cell…
A: Induced mutation: due to mutagen any mutation caused. Mutagen: physical: radiation: non-ionizing…
Q: Mitosis Meiosis Function Growth & regeneration Location in Body somatic/body cells Number of…
A: The cell is the basic structural and functional unit of the body. It is responsible for various…
Q: Describe genetic changes found in cancer cells and how these changes lead to alterations in cell…
A: Introduction Cancer is a condition in which some cells in the body grow out of control and spread to…
Q: Which of the following is 'a characteristic of malignant tumors, but not benign tumors? a) Mutation…
A: Abnormal growth of the cells results in tumors. When the cells in the tumor are normal, it is…
Q: Cancer, the uncontrolled growth of cells, often results in a tumor, or mass of abnormal cells. Some…
A: Cell division processes in an orderly progression which involve different stages. These stages…
Step by step
Solved in 2 steps
- Tumor suppressor genes _____. a. occur normally in cells b. promote metastasis c. are brought into cells by viruses d. only rarely affect the development of cancerRadiation, which induces DNA damage, inhibits cancer progression by: Breaking down Rb Breaking down cohesin Activating p53 Phosphorylating Cdk Breaking down the mitotic spindleWhich of the following is a trait that is detrimental to cancer cell progression? Drug Resistance Recognition by the immune system Angiogenesis (growth of new blood vessels) Deactivation of the tumor suppressor Rb
- Which is true for cancer cells: 1) Cell death occurs after a determined number of cell divisions 2) Contact with other cells reduces chance of cell division 3) Cell division occurs in the presence of stop signals.the chromosomes are replicated before each cell division and cell division is a continuous process for the replacement of worn tissues and normal growth.Which of the following mutations is MOST likely to cause cancer? A) a mutation that causes a cyclin gene to be expressed at all times during the cell cycle B) a mutation that causes an oncogene to be turned off so that no protein is made C) a mutation that causes a Cdk gene to be turned off so that no protein is made D) a mutation that causes a tumor suppressor gene to be over-expressed
- Ordinary cell division produces two daughter cells that are genetically identical. This type of cell division is important for all of the following functions EXCEPT cell replacement. growth of a multicellular organism. production of sperm and eggs. asexual reproduction.Which of the following is mismatched? M stage - mitosis and cytokinesis G 2 stage - metabolic preparation for mitosis interphase - shortest stage of the cell cycle G 1 stage - cell grows in size and cell organelles increase in number S stage - DNA synthesisA tumor suppressor gene ___regulates the cell cycle; an example is _____. Select one: a. negatively, cyclin b. positively, retinoblastoma c. positively, p21 d. negatively, retinoblastoma e. positively, RAS
- If a drug interferes with the formation of microtubules , its effectiveness must be related to disruption of mitotic spindle formation suppression of cyclin production inhibition of DNA synthesis myosin denaturation and inhibition of cleavage formationWhat causes cancer (think mutations, repair mechanisms, dna polymerase, symmatic/ germ line, genes + environment, tumor suppressor genes, protooncogenes, etc).Much remains unknown about the rapid, uncontrolled growth, or what causes a tumor to metastasize. Scientists do know that cancer cells come from normal healthy cells that have had some type of damage done to the genes that aid in the production of the regulatory proteins for the cell cycle. What causes this damage? a proto-oncogenes b mutations c enzymes d tumor suppressors