Anatomy & Physiology
1st Edition
ISBN: 9781938168130
Author: Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble
Publisher: OpenStax College
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Textbook Question
Chapter 3, Problem 25RQ
A mutation in the gene for a cyclin protein might result in which of the following?
- a cell with additional genetic material than normal
- cancer
- a cell with less genetic material than normal
- any of the above
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Chapter 3 Solutions
Anatomy & Physiology
Ch. 3 - Visit this link...Ch. 3 - Watch this video...Ch. 3 - Watch this video...Ch. 3 - Watch this video...Ch. 3 - Visit this link...Ch. 3 - Because they are embedded within the membrane, ion...Ch. 3 - The diffusion of substances within a solution...Ch. 3 - Ion pumps and phagocytosis are both examples of...Ch. 3 - Choose the answer that best completes the...Ch. 3 - Choose the term that best completes the following...
Ch. 3 - The rough ER has its name due to what associated...Ch. 3 - Which of the following is a function of the rough...Ch. 3 - Which of the following is a feature common to all...Ch. 3 - Which of the following organelles produces large...Ch. 3 - The nucleus and mitochondria share which of the...Ch. 3 - Which of the following structures could be found...Ch. 3 - Which of the following sequences on a DNA molecule...Ch. 3 - Place the following structures in order from least...Ch. 3 - Which of the following is part of the elongation...Ch. 3 - Which of the following is not a difference between...Ch. 3 - Transcription and translation take place in the...Ch. 3 - How many letters of an RNA molecule, in sequence,...Ch. 3 - Which of the following is not made out of RNA? the...Ch. 3 - Which of the following phases is characterized by...Ch. 3 - A mutation in the gene for a cyclin protein might...Ch. 3 - What is a primary function of tumor suppressor...Ch. 3 - Arrange the following terms in order of increasing...Ch. 3 - Which type of stem cell gives rise to red and...Ch. 3 - What multipotent stem cells from children...Ch. 3 - What materials can easily diffuse through the...Ch. 3 - Why is receptor-mediated endocytosis said to be...Ch. 3 - What do osmosis, diffusion, filtration, and the...Ch. 3 - Explain why the structure of the ER, mitochondria,...Ch. 3 - Compare and contrast lysosomes with peroxisomes:...Ch. 3 - Explain in your own words why DNA replication is...Ch. 3 - Why is it important that DNA replication take...Ch. 3 - Briefly explain the similarities between...Ch. 3 - Contrast transcription and translation. Name at...Ch. 3 - What would happen if anaphase proceeded even...Ch. 3 - What are cyclins and cyclin-dependent kinases, and...Ch. 3 - Explain how a transcription factor ultimately...Ch. 3 - Which of the following structures could be found...
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- 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_forwardWhich of the following statements best describes the process of phase separation in cells? Proteins can assemble as liquid droplets that are not bounded by a membrane in either the cytoplasm or nucleus A protein can separate into different organelles dependent on the phase of the cell cycle Proteins that are assembled in one phase of the cell cycle and degraded in the next are said to undergo phase separation Signal sequences can target proteins assembled in the cytoplasm into the lumen of the endoplasmic reticulumarrow_forwardA mutation in the gene for a cyclin protein might result in which of the following? Group of answer choices none of the answers unregulated cell cycle all of the answers a cell with less genetic material than normal a cell with more genetic material than normalarrow_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 Cancerarrow_forwardIn cancer, cells divide out of control. Thus, chemicals that interfere with cell division might be used to stop cancer cells. How many of the following might stop human cancer cells? I. A chemical that prevents the phosphorylation of lamins. II. A chemical that prevents microtubule shortening. III. A chemical that prevents actin-myosin contraction. IV. A chemical that prevents the dephosphorylation of lamins. O 2 O 4 O 1arrow_forwardThe activity of cyclin dependent kinases is regulated by: B Their concentration inside the cell D Their concentration outside the cell C Changes in the concentration of cyclins The G1, G2 and M checkpoints The start and end of mitosisarrow_forward
- A human gene called theCFTR gene (for cystic fibrosis transmembrane regulator) encodes aprotein that functions in the transport of chloride ions across the cellmembrane. Most people have two copies of a functional CFTR geneand do not have cystic fibrosis. However, a mutant version of the CFTRgene is found in some people. If a person has two mutant copies ofthe gene, he or she develops the disease known as cystic fibrosis. Arethe following descriptions of this disease related to genetics at themolecular, cellular, organism, or population level?A. People with cystic fibrosis have lung problems due to a buildupof thick mucus in their lungs.B. The mutant CFTR gene encodes a defective chloride transporter.C. A defect in the chloride transporter causes a salt imbalance inlung cells.D. Scientists have wondered why the mutant CFTR gene is relativelycommon. In fact, it is the most common mutant gene that causesa severe disease in persons of Northern European descent. Onepossible explanation why…arrow_forwardThe drug taxol is extracted from the bark of yew trees. It binds tightly to microtubules and stabilizes them. When added to cells, it causes much of the free tubulin to assemble into microtubules. Taxol can be used as an anticancer drug. At the molecular level, what does the drug prevent? At the cellular level, what part of cell division does it prevent? Be specific.arrow_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
- A cell with one mutation is unable to complete cell division (mitosis). What intracellular structure/structures might be defective? Explain your answer by first giving the normal role of this/these structures and then explaining why when defective, it/they might prevent the cell from completing mitosis.arrow_forwardThe drug vinblastine is used in cancer therapy to stop the runaway division of cancer cells. Vinblastine inhibits the assembly and growth of microtubules. Explain how the action of this drug prevents mitosis (refer to Figure 2.17).arrow_forwardA patient has ingested a chemical known to prevent alpha-tubulin from hydrolyzing GTP to GDP. Which of the following is the BEST conclusion? O The patient's dyneins and kinesins will not be able to hydrolyze nucleotides. O The patient's microtubules will only be able to grow. O The patient's microtubules should still be able to grow and shrink depending on the needs of the cell. O The patient's microtubules will only be able to shrink.arrow_forward
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