ANAT & PHYS (LL W/ACCESS)(CUSTOM)
4th Edition
ISBN: 9781266039621
Author: McKinley
Publisher: MCG CUSTOM
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Chapter 4, Problem 3CAL
Summary Introduction
Introduction:
Uncontrolled growth and division of cell cause tumors, it is caused by a change in DNA that controls the cell cycle. This change prevents the cell from staying in interphase for a normal period of time.
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The cell death encompasses all but the following:
A. activation of cellular enzymes
B. lysis of cell
C. fragmentation of DNA
D. digestion of cellular contents by macrophages
Assuming that apoptosis fails and the cell continues through several cell cycles... what would the repercussions of this be?
A. a tumor (possibly malignant) may develop- result of cells actively dividing when they are not supposed to
B. organ failure
C. too many cells would be in G0 and not carrying out daily functions
D. too many mutated cells would be in the body and the body would shut down
Identify which of the following statements is a lie?
Select one:
a. Apoptosis occurs as the body produces certain enzymes that initiate degradation of nuclear and cytoplasmic material, breaking the cell into necrosis bodies.
b. Apoptosis helps maintain a healthy and normal population of cells.
c. Apoptosis plays an essential role in growth, immune surveillance, and embryological development.
Chapter 4 Solutions
ANAT & PHYS (LL W/ACCESS)(CUSTOM)
Ch. 4.1 - What is the advantage of using a TEM instead of an...Ch. 4.1 - Prob. 2WDYLCh. 4.1 - What are the three main structural features of a...Ch. 4.1 - What cellular structure is responsible for forming...Ch. 4.2 - How do lipids maintain the basic physical barrier...Ch. 4.2 - What type of plasma membrane protein provides the...Ch. 4.3 - How does O2 diffuse into a cell and CO2 diffuse...Ch. 4.3 - Prob. 8WDYLCh. 4.3 - Define osmosis.Ch. 4.3 - What occurs to the tonicity of a cell when it is...
Ch. 4.3 - What general conclusion can you make concerning...Ch. 4.3 - What transport process involved in the movement of...Ch. 4.3 - Diagram a flowchart for the active processes of...Ch. 4.4 - Define a resting membrane potential.Ch. 4.4 - Prob. 15WDYLCh. 4.5 - What are some examples of how cells communicate...Ch. 4.5 - How do action of enzymatic receptors and G...Ch. 4.6 - Describe the general structure of both the...Ch. 4.6 - Lysosomes and peroxisomes are both small...Ch. 4.6 - Which non-membrane-bound organelle functions (a)...Ch. 4.6 - Which cellular surface structure functions in (a)...Ch. 4.6 - Which cellular junction (a) provides resistance to...Ch. 4.7 - What is the function of nuclear pores within the...Ch. 4.7 - What is the function of the nucleolus?Ch. 4.7 - Describe the structural relationship of DNA and...Ch. 4.8 - What are the three major structures required for...Ch. 4.8 - What is a codon and an anticodon?Ch. 4.8 - How is mRNA attached to ribosomes and translated...Ch. 4.8 - The genetic code of DNA is the specific...Ch. 4.9 - How is chromatin distinguished from a chromosome?Ch. 4.9 - Describe the process of DNA replication that...Ch. 4.9 - What are the events that occur during the mitotic...Ch. 4.10 - What are the specific changes that occur to DNA...Ch. 4 - Prob. 1DYKBCh. 4 - _____ 2. The molecule that is responsible for most...Ch. 4 - Prob. 3DYKBCh. 4 - Prob. 4DYKBCh. 4 - Prob. 5DYKBCh. 4 - Prob. 6DYKBCh. 4 - Prob. 7DYKBCh. 4 - Prob. 8DYKBCh. 4 - _____ 9. During this stage of mitosis, the...Ch. 4 - _____ 10. Erythrocytes do not have a nucleus. In...Ch. 4 - Prob. 11DYKBCh. 4 - Prob. 12DYKBCh. 4 - Describe the passive processes of membrane...Ch. 4 - Describe the active processes of membrane...Ch. 4 - List the membrane-bound structures, and describe...Ch. 4 - Prob. 16DYKBCh. 4 - Prob. 17DYKBCh. 4 - Prob. 18DYKBCh. 4 - Prob. 19DYKBCh. 4 - Explain the processes that occur in the different...Ch. 4 - Michael was born with Tay-Sachs disease. Which of...Ch. 4 - Prob. 2CALCh. 4 - Prob. 3CALCh. 4 - Prob. 4CALCh. 4 - Prob. 5CALCh. 4 - Prob. 1CSLCh. 4 - Prob. 2CSLCh. 4 - Prob. 3CSL
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- Which of the following proteins would least likely promote arrest of cell division or apoptosis? Select one: a. p21 b. superoxide c. retinoblastoma d. p53 e. cyclinarrow_forwardExplain the property that prevents normal cells from becoming cancerous.arrow_forwardWhat would be the effect on the following processes in a cancer cells treated with Drug X. Match the process with the likely effect of the drug. Protein Translation Apoptosis Cell Proliferation Production of new blood vessels A. Inhibited B. Activatedarrow_forward
- Describe the changes in a cell that lead to:a. loss of functionb. necrosisarrow_forwardExplain the theory behind how a normal cell turns into a malignant tumor cell and forms metastases.arrow_forwardWhich component of cell division machinery is frequently targeted by anti-cancer drugs? Can you explain the common side-effects of chemotherapy (e.g. hair loss, mucositis) based on this information?arrow_forward
- How is apoptosis involved in cancer? Describe the role of apoptosis in cancer and identify what molecules are involved. Cite your references. asap.arrow_forwardCompare and contrast the processes of cell cycle and apoptosis and give an example of a drug or toxin that affects each of these processes.arrow_forward16. The cell membrane A. regulates transportation of substances into and out of cell. B. provides a watery environment. C. forms the internal framework of the cell. ____ 17. The maxilla is the A. upper arm bone. B. lower jaw bone. C. upper jaw bone. ____ 18. In phagocytosis A. large molecules are engulfed in solution. B. particles are engulfed by enfolding and enclosing the material. C. the cell absorbs the nutrients for its own use.arrow_forward
- compare and contrast NECROSIS and APOPTOSIS. How important APOPTOSIS is in contributing to the overall homeostatic events in the body?arrow_forwardOncologists (cancer doctors) frequently measure the mitotic index of tumor cells when they are removed via surgery or biopsy. What do you think is the value of finding out the mitotic index of these cells?arrow_forwardAnswerarrow_forward
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