Briefly describe why steroid hormones, such as estrogen, progesterone, and testosterone, are considered to be tumor promoting agents.

Q: What is tumor ? Explain the types of tumor a human can face ?

A: Cell is the basic unit of life. Based on the number of cells an organism may be prokaryotic or…

Q: Which of the following decreases during tumor progression? 1) angiogenesis 2) mitosis 3) meiosis 4)…

A: An irreversible change in the tumor's features that represents the sequential development of a…

Q: List and define the two general types of tumor.

A: KEY WORDS :- Tumor - It is a cancerous mass or lump caused by abnormal division of cells. It can be…

Q: manifestations in the event that the BRCA1 tumor suppressor gene accumulates mutations.

A: the cancer cell produces abnormal protein and their uncontrolled growth will lead to formation of…

Q: Identify the major differences between benign and malignant tumors.

A: Accumulation of abnormal cells which form a  mass of tissue is known as tumor. They are of varying…

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

A: Medical technology has advanced significantly over the course of many centuries. According to…

Q: Describe three common ways that tumor-suppressor genes aresilenced.

A: Tumour suppressor genes are genes that can decrease the rate of cell division and growth. In the…

Q: What are the normal functions of the BRCA1 tumor suppressor gene?

A: The BRCA1 gene codes for the protein that causes breast cancer type 1. BRCA1 is a human tumour…

Q: Explain how mutations in tumor-suppressor genes can be recessive at the level of the cell but cause…

A: A tumor suppressor gene is normally a cellular gene that regulates the cell proliferation or DNA…

Q: Tbis a membrane of the family of tumor suppressor genes.   true   false

A: Tumor suppressor genes are the normal genes that controls cell division and replication ,repair…

Q: Why are tumors difficult to treat with drugs?

A: p53 is a gene that makes a protein which is present in the nucleus of a cell  regulates the cell…

Q: Describe in detail the relevance of apoptosis to cancer therapy

A: Apoptosis or programmed cell death  It is a highly regulated process that allows a cell to self…

Q: Discuss why cancer treatment may involve a combinationof chemotherapy, radiation therapy, and…

A: For some cancers, the best approach is a combination of cancer surgery, radiation therapy and…

Q: Describe the genetic changes that inactivate tumor-suppressor genes.

A: Cancer is a condition of uncontrolled cell division which results in the formation of tumor. This is…

Q: Write about tumor heterogenisity and progression

A: The tumor is irregular growth of tissue. It is the first stage of tumor development. The…

Q: Discuss how genetic tests and tumor marker tests maybe used to prevent cancer.

A: Genetic test is the use of laboratory test to look for genetic variations associated with disease.

Q: Explain why metastasis can lead to multiplesecondary tumors in different sites.

A: When there is some mutation that occurs in the DNA of any cell that leads to abnormal and…

Q: Define about Some Proto-oncogenes and Tumor-suppressor Genes ?

A: Introduction: Proto-oncogenes and tumor suppressor genes belong to cancer critical genes whose…

Q: advantages and limitations of circulating tumor dna

A: The disease in which abnormal cells continuously grow and divide spreading to other tissue is known…

Q: Tissues and differentiation: a) Explain what is meant by determination and differentiation b)…

A: In biology, the process of determination is related to the process in which embryonic stem cells…

Q: How can a mutation in a tumor-suppressor gene contribute to the development of cancer?

A: Tumor-suppressor genes are like any other normal genes whose functions include slowing down cell…

Q: Describe cancer cell types and the differentiation process that occurs during cancer development.

A: Cancer cells are very notorious for causing high Morbidity and mortality among patients of various…

Q: Which combination of oncogenes, tumor suppressors, and repair enzymes is LEAST likely to develop a…

A: 8. Normally, the human body have controlled cell growth and division i.e. new cells are created to…

Q: . Explain why mutations in oncogenes are generally dominant while those in tumor suppressor genes…

A: Proto-oncogenes and tumour suppressor genes are two types of gene essential for the control of cell…

Q: Which type of stem cell therapy may cause some ethical issues and may results in benign tumor? (Name…

A: Cells are defined as the basic units of all the living things and they are made up of organic…

Q: explain the similarities  between benign and malignant tumors?

A: Cancer is uncontrolled, abnormal excessive  division of cells. Differences  Benign tumour  1. Slow…

Q: Discuss how growth factors influence cell signaling and proliferation that leads to cancer…

A: Formation of a cancer cell from a normal cell is a very complex process involving various mechanisms…

Q: Briefly discuss tumorigenesis, cancer progression, and cancer treatments.

A: Tumors are masses of tissue that form as a result of aberrant, uncontrolled, disorganized, and…

Q: umor markers

A: Tumor is an abnormal mass of tissue that forms after unusual cell growth and division. Tumors can be…

Q: Explain why each of the following is a risk factor for cancer:  age, loss-of-function mutations in…

A: Cancer is an abnormal or uncontrolled cell division that occurs as a result of mutation.…

Q: Discuss the link between the exponential growth of tumors and tumor metastasis and how these are…

A: Cells divide consistently in the early phases of tumour formation, producing two daughter cells each…

Q: Explain the following characteristics of an ideal tumor marker • Specificity for a single type of…

A: BREAST CANCER -A NONTENDER LUMP ON BREAST TYPES- 1. DUCTUAL CARCINOMA OF BREAST 2. LOBULAR CARCINOMA…

Q: Which of the following chromosomal changes would be LEAST likely to cause the development of cancer?…

A: Cancer is a condition where cells in a specific part of the body grow and reproduce uncontrollably.…

Q: proto-oncogenes and tumor suppressor genes cause most types of cancer

A: The genes are formed by the Deoxyribonucleic acid (DNA) of an organism. These genes code all of the…

Q: write a short reflection paragraph on the role of extracellular matrix on tumor progression.

A: Cancer results from the formation of tumors that have the ability to metastasize.

Q: What properties are gained during tumor progression that contribute to malignant behavior and…

A: The cells normally divide to replace the worn-out cells and died via a process called apoptosis.…

Q: If a mutation occurs in an embryonic stem cell that alters cell proliferation there is potential for…

A: Stem cells are undifferentiated cells that have potential to develop many different types of cells…

Q: Tissues and differentiation a)Explain what is meant by termination and differentiation ).b) Explain…

A: The question has been assumed to be "a)Explain what is meant by determination and…

Q: Degrees of tumor differentiation From the discussion above, identify and describe the…

A: According to morphology and appearance of figure the the answer is given below:

Q: Compare and contrast oncogenes versus tumor-suppressorgenes.

A: Cancer is the uncontrolled proliferation of cells that can be treated by chemotherapy and…

Q: Please give information and explain the modeling of cancer with IPS cells (induced pluripotent stem…

A: The discovery of iPS cells opens up a wide spectrum of possible future applications including…

Q: Match each definition with the corresponding term concerning genes involved in tumor formation.…

A: Cancer is a very complex molecular disease that occurs due to the uncontrolled cell division.…

Q: Discuss the relationship between cancer and changes in gene expression that affect cell…

A: Cancer is the condition in which the control over the process of cell division is lost.

Q: Describe the genetic changes that convert proto-oncogenesinto oncogenes or inactivate…

A: Oncogenes can be defined as the genes which induce cancer in the organisms. These genes encode the…

Q: Discuss the challenges of producing anticancer drugs that counteract the effects of mutations in…

A: Tumor suppressor genes are the genes that decline the cell division process, acts in programmed cell…

Genomic studies

Genomic studies (genomics) is the study of the whole genome of an organism. Using bioinformatics and high-performance computing, genomic researchers examined massive amounts of deoxyribonucleic acid (DNA)-sequence data to discover variations or mutations that affect drug response, health, or disease. Genomics is a much younger discipline than genetics, having only emerged in the last few decades as a result of technological advancements in DNA sequencing and computational biology.