Human Biology (MindTap Course List)
11th Edition
ISBN: 9781305112100
Author: Cecie Starr, Beverly McMillan
Publisher: Cengage Learning
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Chapter 22, Problem 3SQ
Summary Introduction
Introduction: Cancer is caused by abnormal uncontrolled cell growth. This occurs due to several genetic and epigenetic alterations that cause uncontrolled proliferation of cells. The clinical manifestations of cancer are numerous, and depend on the variety and intensity of symptoms.
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True or false: When oncogenes are present, a cell is more likely to be normal (non-cancerous) than when they are not present.
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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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- All of the following are characteristics of oncogenes EXCEPT Multiple Choice they are mutated proto-oncogenes. they cause cancer. they are genes that stimulate uncontrolled cell division. they are tumor suppressor genes.arrow_forwardThe palladin gene, which plays a role in pancreatic cancer (see theintroduction to this chapter), is said to be an oncogene. Which of itscharacteristics suggest that it is an oncogene rather than a tumorsuppressorgene?arrow_forwardOne example of a DNA virus (a virus that uses DNA, not RNA, as its genetic material) that causes tumors is human papillomavirus (HPV). Do some research and explain how HPV inactivates the RB protein and indicate with which type(s) of cancer it is associated. Don’t forget to cite your sources.arrow_forward
- (d) State whether the following statements are True or False. If False rewrite the correct form of the statement by only changing the last word of the statement. (1) The alpha cells dfthe pancreas secrete insulin. (ii) Duplicated chromosomes remain attached at a point termed centrosome. (iii) The number of pairs ofautosomes in man is 22. (iv) Penicillin obtained from si fungus is an example of an antibody. (v) Plants that manufscture their own food are termed heterotrophs.arrow_forwardCertain types of cancerous lung tumors can secrete hormones normally made by the pancreas, adrenal gland, and hypothalamus. What prevents such secretion of happening in healthy cells?arrow_forwardBenign tumors: a. are noncancerous growths that do not spread to other tissues b. do not contain mutations c. are malignant and clonal in origin d. metastasize to other tissues e. none of thesearrow_forward
- Is the following true or false AND EXPLAIN: Cells with one functional copy of a proto-oncogene will usually proliferate faster than normal cells.arrow_forwardLeukemia is a neoplastic (cancerous) proliferation of white blood cells. Clinicians are currently testing deoxycoformycin, an adenosine deaminase inhibitor, as a possible antileukemic agent. Why might one expect this therapy to be effective?arrow_forward(d) State whether the following statements are True or False. If False rewrite the correct form of the statement by only changing the last word of the statement. (i) The alpha cells dfthe pancreas secrete insulin. (ii) Duplicated chromosomes remain attached at a point termed centrosome. (iii) The number of pairs ofautosomes in man is 22. (iv) Penicillin obtained from si fungus is an example of an antibody. (v) Plants that manuíacture their own food are termed heterotropłis.arrow_forward
- True or false Oncogenes are gene that are normally not found in a cell and must be introduced into the DNA by some mechanism, such as a viral infection.arrow_forwardI’m having trouble with this fill in the blank. Could you please let me know if I need to change any of my answers.arrow_forwardDescribe the mutational event that produces the MYC oncogene in Burkitt’s lymphoma. Why does the particular mechanism for generating oncogenic MYC result in a lymphoma rather than another type of cancer? Describe another mechanism for generating oncogenic MYC.arrow_forward
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