HUMAN BIOLOGY:CONC.+CURR...-PACKAGE
8th Edition
ISBN: 9780134717029
Author: Johnson
Publisher: PEARSON
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Chapter 9, Problem 8TY
The following are steps in phagocytosis: (1) Bacterium is digested by lysosomal enzymes, (2) phagocyte approaches bacterium, (3) phagocytic vesicle fuses with lysosome, and (4) phagocyte engulfs bacterium, forming a phagocytic vesicle. In which order do these steps occur?
a. 4–2–3–1
b. 2–4–3–1
c. 2–3–4–1
d. 4–1–3–2
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Chapter 9 Solutions
HUMAN BIOLOGY:CONC.+CURR...-PACKAGE
Ch. 9 - Prob. 1QCCh. 9 - Prob. 2QCCh. 9 - Define the term pathogen and give some examples.Ch. 9 - Prob. 2CRCh. 9 - Prob. 3CRCh. 9 - Prob. 4CRCh. 9 - Prob. 5CRCh. 9 - Describe in general terms the distinction between...Ch. 9 - Describe the concept of an antigen and how it...Ch. 9 - Prob. 8CR
Ch. 9 - Prob. 9CRCh. 9 - Prob. 10CRCh. 9 - Prob. 1TYCh. 9 - Prob. 2TYCh. 9 - Prob. 3TYCh. 9 - Prob. 4TYCh. 9 - Prob. 5TYCh. 9 -
6. Which of the following is a benefit of...Ch. 9 - Prob. 7TYCh. 9 -
8. The following are steps in phagocytosis: (1)...Ch. 9 - Prob. 9TYCh. 9 - Prob. 10TYCh. 9 - Prob. 11TYCh. 9 - Prob. 12TYCh. 9 - Which of the following increases the likelihood of...Ch. 9 - Which of the following does not belong with the...Ch. 9 - Which of the following statements about HIV is...Ch. 9 - Prob. 1AWKCh. 9 - Prob. 2AWKCh. 9 -
3. Everyone knows that bacteria can cause...Ch. 9 - Prob. 4AWKCh. 9 - Prob. 5AWKCh. 9 - Why is it that most people get the chicken pox...Ch. 9 - The immune system is supposed to defend us from...
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- Explain Which Enhanced phagocytosis of a cell by the binding of a specific protein is called ________. a. endocytosis b. opsonization c. anaphylaxis d. complement activationarrow_forwardWhat would happen if a bacterium could prevent the phagosome from fusing with lysosomes?arrow_forwardWhat is the name of the phenomenon in which a white blood cell engulfs a pathogen? Which cytoskeletal structures are involved in this process? a. phagocytosis and microtubules. b.phagocytosis and microfilaments. c. pinocytosis and microtubules d. d. pincytosis and microfilamentsarrow_forward
- Which of the following is not true about phagocytosis?(a) It is a form of exocytosis.(b) It is energy dependent.(c) It only occurs in eukaryotes.(d) A larger cell engulfs a smaller cell that will eventually bepresent in an internal vacuole.(e) It requires fusion of internal lysosomes to engulfed vac-uole for contents to be digestedarrow_forwardWhich of the following statements is _false_ regarding phagocytosis? A. It can ingest large particles. B. It involves the projection of pseudopods. C. It is used by amoebae to ingest food. D. It is mediated by clathrin at the plasma membrane. E. It is used by macrophages and neutrophils to ingest bacteriaarrow_forwardfever helps the body fight infection in which of the follwoing ways? a. fever causes the creation of lysosomes b. increased body temperature decreases phagocytosis c. fever inhibits the growth of some microorganisms d. fever increases capillary permeabilityarrow_forward
- What is phagocytosis? What function does it serve?arrow_forwardWhich of the following sudden changes might be a result of an infection? a. increase in the activity of white blood cells b. decrease in the activity of antigens produced by the mitochondria c. decrease in the amount of DNA present in the nuclei of cells d. increase in the number of red blood cellsarrow_forwardWhat mechanisms does the phagolysosome use to kill the thing that was brought into the cell?arrow_forward
- Which cell regularly undergoes apoptosis following phagocytosis? A. neutrophil B. B lymphocyte C. macrophagearrow_forwarda) In some cases the phagocytosis failed. formulate 2 hypothesis to explain the origin of this failure? b) Name in this case, the cells that will be involved to help the body.arrow_forwardHow do you think a bacterial cell would respond if it was treated with the antibiotic vancomycin compared to the antibiotic erythromycin? Note: this question is asking about the bacterial response, not the specific action of the antibiotic, although you need to know this to answer the question.arrow_forward
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