BIOLOGY
4th Edition
ISBN: 9781266739606
Author: Hoefnagels
Publisher: MCG
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Chapter 11, Problem 4MCQ
Summary Introduction
Introduction:
Stem cells are the cells that have the ability to continuously divide and differentiate into various kinds of cells or tissues. Stem cells are different from other cells of the body in as they have the ability that allows them to replace cells that have died.
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How does gene activation lead to cell differentiation? Explain the correct answer and explain why the others are wrong.
A. Different genes are activated in different cells, causing each cell to have a unique funcation
B. The same genes are actives in every cell of your body, causing every cell to function the same
C. Certain cells only have parts of DNA that causes cell deferentiation
D. Unique genes are in different cells, causing each cell to have a unique function
explain what are stem cells
Which of the following cell types will most likely reach cell senescence after many rounds of replication?
A. Adult stem cells
B. Cancer cells
C. Normal adult somatic cells
D. Embryonic stem cells
Chapter 11 Solutions
BIOLOGY
Ch. 11.1 - Prob. 1MCCh. 11.1 - Prob. 2MCCh. 11.2 - What are some uses for transgenic organisms?Ch. 11.2 - Prob. 2MCCh. 11.2 - Prob. 3MCCh. 11.2 - What is the function of the 98.5% of the human...Ch. 11.2 - How does PCR work, and why is it useful?Ch. 11.2 - Prob. 6MCCh. 11.2 - Why do investigators sometimes analyze...Ch. 11.3 - Prob. 1MC
Ch. 11.3 - Prob. 2MCCh. 11.3 - Summarize the steps scientists use to clone an...Ch. 11.3 - Prob. 4MCCh. 11.4 - Prob. 1MCCh. 11.4 - Prob. 2MCCh. 11.4 - Prob. 3MCCh. 11.4 - What are some examples of ethical questions raised...Ch. 11.5 - Prob. 1MCCh. 11.5 - Prob. 2MCCh. 11 - If a restriction enzyme cuts between the G and the...Ch. 11 - Which of the following is not a reason that...Ch. 11 - Prob. 3MCQCh. 11 - Prob. 4MCQCh. 11 - Prob. 5MCQCh. 11 - Preimplantation genetic diagnosis would be least...Ch. 11 - Prob. 7MCQCh. 11 - What techniques might researchers use to create...Ch. 11 - Prob. 2WIOCh. 11 - Prob. 3WIOCh. 11 - Prob. 4WIOCh. 11 - Why are entire genomes not used for DNA profiling?Ch. 11 - In a 2013 investigation, researchers discovered...Ch. 11 - Unneeded genes in an adult animal cell are...Ch. 11 - Prob. 8WIOCh. 11 - Prob. 9WIOCh. 11 - If a cells genome is analogous to a cookbook and a...Ch. 11 - Review the Survey the Landscape figure in the...Ch. 11 - How does PCR relate to DNA profiling and...Ch. 11 - Add the terms restriction enzyme, plasmid, virus,...
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- What 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_forwardWhat kind(s) of cells can develop from totipotent stem cell?arrow_forwardDescribe the cell engineering process you would use to control the proliferation activities of stem cellsarrow_forward
- What are induced pluripotent stem cells? somatic stem cells that are made to behave like embryonic stem cells embryonic stem cells that are made to behave like somatic stem cellsarrow_forwardCan you draw 4th cell division of the adult stem cells. 1st and 2nd are symmetrically. 3rd and 4th are asymmetrically. What kind of cell is the product at the 4th division? Explain your reasoningarrow_forwardHow might stem cells be used to repair brain or heart damage, even though these cells do not undergo mitosis?arrow_forward
- HeLa cells are a line of cells grown in laboratory culture that has been used extensively in research. This cell line was originally derived from malignant cervical cancer cells that were removed from a woman named Henrietta Lacks in 1951. They were grown in culture and shipped to research labs around the world where they have been used in many important experiments. Like HeLa cells, many other cell lines were originally taken from cancerous tissue. What are the advantages to using cancer cells for developing cell lines? Why not use normal tissue?arrow_forwardI am confused about how stem cell transplants works. If you put a semi differentiated tadpole nucleus in a denucleated egg cell, it’ll develop into a fully formed tadpole, but if you put a fully differentiated tadpole nucleus, it won’t (because the genes have already been expressed in a way where the cytoplasmic determinants cannot operate to the fullest). Then how come in stem cell transplants, you use adult nucleuses that are already developed and transplant them into the denucleated egg cells?arrow_forwardWhich of the following is true of normal adult cells but NOT cancer cells? A. Cell death after a finite number of cell divisions B. Contact with other cells increases likelihood of division C. Large amount of telomerase present D. Do not care about cell density while culturearrow_forward
- What is differentiation? A. When a cell switches from its original purpose B. The process of multiplying the cells in the body C. The process by which cells become specialized in their form to aid in their function D. How cells grow once their place in the body has been decidedarrow_forwardWhy would the failure of the p53 tumor supressor gene be more likely to cause cancer in a seventy year old person compared to a ten year old person? Group of answer choices A. the p53 gene never works well in old people B. cells divide more rapidly as people get older C.The seventy year old is more likely to have pre-existing failures in cell cycle control D. there are fewer mutations in genes controlling the cell cycle in older peoplearrow_forwardNew treatments for several conditions are being developed using stem cells in medical waste, such as biopsy material, teeth, menstrual blood, umbilical cords, and fatty tissue removed in liposuction. For example, fat samples from injured horses are used to grow stem cells to treat tendon injuries. Explain how the two defining characteristics of stem cells enable them to be used to replace damaged or diseased tissue, so that the new tissue functions as opposed to forming a scar.arrow_forward
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