Becker's World of the Cell (9th Edition)
9th Edition
ISBN: 9780321934925
Author: Jeff Hardin, Gregory Paul Bertoni
Publisher: PEARSON
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Chapter 1, Problem 1.2CC
You have discovered a defective gene that allows cancer cells to use glucose more efficiently and therefore outgrow normal cells to form a tumor. Explain how your discovery likely involves contributions from all three historical strands of cell biology.
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1A) If you were a cancer biologist interested in developing new drugs that will slow down cancer cell metastasis, which of the following strategies would be most effective?
a)Develop an activator of mitosis
b)Make Her2 protein that is more active on the surface of the cancer cells
c) Develop a molecule that increases telomerase activity
d) Gene therapy to add a mutated p53 gene to the cancer cells
1B) You are a genetic counsellor, and a couple comes to you with concerns that if they have a child together the child could have the X-linked recessive disease Duchene muscular dystrophy. The man has the disease whereas the woman is a carrier. Which of the following would be a true statement to tell them?
a) 100% of their male offspring will likely be carriers of the recessive allele that causes the disease
b) 75% of their female offspring will likely be carriers of the recessive allele that causes the disease
c) 100% of their male offspring will likely…
Why do most cancer treatments at present target microtubule formation of the cell? What are the most recent discoveries in terms of cancer treatment?
Which of the following best describes a gene that codes for a tumor-suppressor protein?
a. One that helps to prevent progression through the cell cycle.
b. One that helps prevent apoptosis.
c. One that codes for a DNA repair enzyme.
d. One that supports part of a growth factor signaling pathway.
Chapter 1 Solutions
Becker's World of the Cell (9th Edition)
Ch. 1 - What evidence led scientists to develop the basic...Ch. 1 - Why is a high degree of antibody-antigen...Ch. 1 - You have discovered a defective gene that allows...Ch. 1 - Prob. 1.3CCCh. 1 - The Historical Strands of Cell Biology. For each...Ch. 1 - QUANTITATIVE Cell Sizes. To appreciate the...Ch. 1 - QUANTITATIVE Sizing Things Up. To appreciate the...Ch. 1 - Problem Set QUANTITATIVE Limits of Resolution Then...Ch. 1 - The Contemporary Strands of Cell Biology. For each...Ch. 1 - The Facts of Life. Each of these statements was...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Many cancer drugs stop cell division. List several mechanisms that could hinder cell division?arrow_forwardWhat are stem cells? Which stem cell treatment can form a benign tumor? Please explain how benign tumor can form from the stem cell therapy?arrow_forwardExplain the difference between asymmetric and symmetric cell division. When the pool of stem cells for a particular tissue needs to expand, which of these two cell division mechanisms is utilized?arrow_forward
- 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-expressedarrow_forwardWhich of the following statements correctly describes a characteristic of tumor-suppressor gene? a) they are frequently overexpressed in cancerous cells. b) they are cancer-causing genes introduced into cells by viruses. c) they encode proteins that help prevent uncontrolled cell growth. d) they often encode proteins that stimulate the cell cycle.arrow_forwardWhat separates cancer cells from normal cells? Describe one form of mutation that can increase the risk of a normal cell being cancerous.arrow_forward
- Which of the following cell types would you expect would grow and divide continuously if given sufficient nutrients and mitogens (select all that apply)? A. Carcinoma cells from a liver biopsy B. Embryonic Stem Cells C. Normal human liver cells D. HeLa Cells E. Brain cells from micearrow_forwardWhich of the following is not a characteristic of cancer cells? an increase in density dependent inhibition an increase in telomere length a decrease in DNA repair a decrease in cell adhesion molecules an increase in chromosome abnormalitiesarrow_forwardDiscuss the connection between celldivision and cancer cells? How do cancercells divide indefinitely? Why do cancercells kill normal cells of the body?arrow_forward
- Describe the role of cell division in at least one of the following areas of biology: Stem cell research Cell cloning for organ replacement therapies Cancer (see the DNA LC’s video on tumor growth for a hint: https://dnalc.cshl.edu/resources/3d/31-tumor-growth.html)arrow_forwardExplain the theory behind how a normal cell turns into a malignant tumor cell and forms metastases.arrow_forwardCharacterize the differences between tumor cells and normal cells in terms of the following properties. In cancer cells, how might each of these properties contribute to tumor progression? a) contact inhibition b) autocrine stimulation c) apoptosis d) senescence due to telomere shortening e) genomic stability f) angiogenises g) metastasisarrow_forward
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