ANATOMY+PHYSIOLOGY
4th Edition
ISBN: 9781260265217
Author: McKinley
Publisher: RENT MCG
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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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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
The majority of the cells undergo selective activation of the DNA which would lead to cells developing specialized structures and specialized features, a process known as
a. differentiation
b. apoptosis
c. cell division
d. cytokinesis
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
ANATOMY+PHYSIOLOGY
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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- Sometimes, malignant cells do not stay properly anchored in tissues because of the loss of function of: a. cell walls b. oncogenes c. plasma membrane adhesion proteins d. nuclear membranes e. tumor suppressor genesarrow_forwardDescribe the relationship between cell cycle and link to cancer. Use the following terms in your explanation: tumor, oncogene, tumor suppressor, apoptosis.arrow_forwardThe majority of metastases are the result of cancer cell invasion through which one of the following (select one)? A. Soft tissues B. Skin C. Blood Vessels D. Lymphatic vessels E. Bonearrow_forward
- A cell in this stage of cancer no longer makes the set of proteins that is was originally instructed to make but has not migrated into surrounding tissues; thus at this stage a tissue specific protein production profile could be used to identify a cancer. a. carcinoma, in situ b. dysplasia c. hyperplasia d. malignant tumorarrow_forwardWhich 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_forwardSome types of cancers are treated with surgery, chemotherapy, stem cell replacement or radiation, similar to ultraviolet light. Why might it be beneficial to irradiate cancer cells? Choose the Best answer. A. it kills off all the cancer cells. B. it forces all cancer cells into G0 C. it will halt cell division and possibly be forced into apoptosis D. it could kill off the cancer cells, halt cell division or possibly force the cell into apoptosisarrow_forward
- Explain 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_forwardDescribe the changes in a cell that lead to:a. loss of functionb. necrosisarrow_forward
- Which is true for cancer cells: 1) Cell death occurs after a determined number of cell divisions 2) Contact with other cells reduces chance of cell division 3) Cell division occurs in the presence of stop signals.arrow_forwardThis begins early in the telophase and continues after the nucleus has formed in the daughter cells. a. cytokinesis b. interphase c. apoptosis d. differentiationarrow_forwardWhich of the following traits are common to many cancer cells (more than one answer may be correct)A. Uncontrolled growth and divisionB. Chromosomes abnormalitiesC. Absence of a cytoskeletonD. Decreased adhesion to other cellsarrow_forward
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