Human Biology (MindTap Course List)
11th Edition
ISBN: 9781305112100
Author: Cecie Starr, Beverly McMillan
Publisher: Cengage Learning
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Chapter 22, Problem 4SQ
Summary Introduction
Introduction: Spontaneous or induced damage to cells causes mutations. The mutations in genes that regulate cell growth result in uncontrolled growth. The accumulation of these mutations leads to cancer. It can also be influenced by environmental factors such as exposure of chemical carcinogens, radiations, and certain viruses.
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Chapter 22 Solutions
Human Biology (MindTap Course List)
Ch. 22 - Prob. 1RQCh. 22 - Prob. 2RQCh. 22 - Prob. 3RQCh. 22 - Prob. 4RQCh. 22 - Prob. 5RQCh. 22 - Prob. 6RQCh. 22 - Prob. 1SQCh. 22 - Prob. 2SQCh. 22 - Prob. 3SQCh. 22 - Prob. 4SQ
Ch. 22 - Prob. 5SQCh. 22 - Tumor suppressor genes _____. a. occur normally in...Ch. 22 - Prob. 7SQCh. 22 - The most common therapeutic approaches to treating...Ch. 22 - Prob. 9SQCh. 22 - Prob. 10SQCh. 22 - Prob. 1CTCh. 22 - A textbook on cancer contains the following...Ch. 22 - Ultimately, cancer kills because it spreads and...Ch. 22 - Over the last few months, your best friend, Mark,...Ch. 22 - Some desperate cancer patients consume pills or...
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- Which best describes genetic mutations? A) Genetic mutations that cause diseases are always passed on to offspring. B) Some inherited genetic mutations can be good for the offspring. C) Different genetic mutations cause few forms of cancer. D) Somatic mutations can be inherited from parents or acquired during life.arrow_forwardA carcinogenic compound is placed on the skin of inbred laboratory mice. In many of these mice, skin tumors develop at the site of exposure, but only monthsafter the chemical is no longer detectable. Why don’tall the mice develop tumors, and why don’t the tumorsappear much sooner?arrow_forwardWhich of the following demonstrates the link between oncogenes and cancer? a.Oncogenes do not have mutations that increase the activity or number of molecules that stimulate mitosis. b.Oncogenes produce molecules that inhibit mitosis. c.They are genes that transform tumor cells into normal cells. d.The mutations in oncogenes increase the activity or number of molecules that stimulate mitosis, leading to irregular cell division.arrow_forward
- 7. The incidence of cancer ---- with age. a. increases b. decreases 8. Familial colon cancer --- Knudson’s two-hit hypothesis about cancer. a. supports b. defies please answer both.arrow_forward________ are characteristic of cancer. a. Malignant cells b. Neoplasms c. Tumorsarrow_forwardWith regard to cancer cells, which of the following statementsare true?A. Cancer cells are clonal, which means they are derived from asingle mutant cell.B. To become cancerous, cells usually accumulate multiplegenetic changes that eventually result in uncontrolledgrowth.C. Most cancers are caused by oncogenic viruses.D. Cancer cells have lost the ability to properly regulate celldivision.arrow_forward
- Many diseases experienced in infancy are relatively benign, but can be life threatening in adults. Why do you think this is the case?arrow_forwardA mutated gene that transforms a normal cell into a tumor cell is called a a. oncogene. b. neoplasm. c. carcinoma. d. checkpoint gene. e. proto-oncogene.arrow_forwardHow can my one's exposure to sun throughout one's life contribute to a possible melanoma(Hint:think about what happens to the DNA of skin cells)arrow_forward
- Cancer causing genes are called ________. a. transformation genes b. tumor suppressor genes c. oncogenes d. mutated genesarrow_forward2. a person is xy, has sry gene, is androgen insensitive, has male internal anatomy but female external anatomy. which of the following is caused by a lack of androgen receptors? a. xy chromosomes b. elevated plasma androgens c. lack of uterus d. presence of testesarrow_forwardIf your father were diagnosed with an inherited disease that develops around the age of 50, would you want to be tested to find out whether you would develop this disease? If so, when would you want to be tested? As a teenager or sometime in your 40s? If not, would you have children?arrow_forward
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