BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Textbook Question
Chapter 38, Problem 7U
When a cell undergoes a hypersensitive response, it
a. builds cell walls quickly.
b. releases defense response molecules from its vacuole.
c. dies rapidly.
d. destroys avirulence gene products.
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Toll-like receptors (TLRS) act to
A. cause phagocytic chemotaxis.
B. induce phagocytosis.
C. bind microbial proteins and polysaccharides.
D. destroy microbial cells.
You may select zero, one, or many answers.
The antigen-presenting proteins arrive at the plasma membrane. Which of the following is NOT part of the the vesicle used to deliver the protein to the plasma membrane?
a. A V-SNARE
b. Clathrin
c. A G-protein
d. Calnexin
Which of these types of cytokines do not match with the given description?
A. Autocrine - The same cell secretes and receives the cytokine signal.
B. Paracrine- The cytokine signal is secreted from one cell to a nearby cell(s).
C. Endocrine - The cytokine signal is secreted and travels via the circulatory system received by a distant cell(s).
D. All of the descriptions are matched correctly.
Chapter 38 Solutions
BIOLOGY
Ch. 38.1 - Identify the compounds produced by the epidermis...Ch. 38.1 - Prob. 2LOCh. 38.1 - Prob. 3LOCh. 38.2 - Describe the role of secondary metabolites in...Ch. 38.2 - Prob. 2LOCh. 38.2 - Prob. 3LOCh. 38.3 - Prob. 1LOCh. 38.3 - Prob. 2LOCh. 38.4 - Prob. 1LOCh. 38.4 - Prob. 2LO
Ch. 38.4 - Prob. 3LOCh. 38 - Prob. 1IQCh. 38 - Nonnative invasive species are often a threat to...Ch. 38 - Prob. 2UCh. 38 - Prob. 3UCh. 38 - Prob. 4UCh. 38 - Prob. 5UCh. 38 - In response to wounding, a tomato plant first...Ch. 38 - When a cell undergoes a hypersensitive response,...Ch. 38 - The wound response products that bind to digestive...Ch. 38 - If a plant has been attacked by a pathogen, then...Ch. 38 - Prob. 1ACh. 38 - Both plant and animal immune systems can a....Ch. 38 - Your friend informs you that it is highly likely...Ch. 38 - Prob. 4ACh. 38 - You decide to plant a garden with a beautiful...Ch. 38 - Prob. 6ACh. 38 - Prob. 1SCh. 38 - Parasitoid wasps seem like an effective method to...Ch. 38 - Prob. 3S
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- are cytolytic proteins that binds to target cell's plasma membrane to form pores. a. Chemokines b. Perforins c. Cytotoxicity d. Interferonsarrow_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_forwardInvading bacteria are recognized by neutrophils, which engulf the bacteria and form a packet within the cell called a A. diapedesis B. left shift C. phagosome D. macrophagearrow_forward
- Vaccines are given to provide protection against pathogen causing infections. Which of the following statements best describes how vaccines work? a Fever and swelling develop which is the first response in killing a pathogen b. Antibodies in the vaccine provide the body with nonspecific immunity to an antigen. c. An inactivated or killed virus stimulates the body to develop specific immunity to that type of virus. d. Heathy bacteria causes the body to release toxins which will protect the body if later exposed to different type of bacteria.arrow_forwardreceptors bacterium phagocytosis phagosome phagolysosomes lysosome soluble debris exocytosisarrow_forwardExplain Which Enhanced phagocytosis of a cell by the binding of a specific protein is called ________. a. endocytosis b. opsonization c. anaphylaxis d. complement activationarrow_forward
- Explain why each choice (a-d) is correct or incorrect. Allergens differ from antigens because a. Allergens produce an abnormally large immune response to what is an otherwise harmless particle. b. Allergens do not involve the leucocytes, they simple stimulate the inflammatory response. c. Allergens are only active seasonally and are generally harmless to the body. d. Allergens are primarily plant derived while antigens are bacterial or viral in nature.arrow_forwardWhich of these pairs are mismatched? a. cytosol: intracellular pathogen b. surface of epithelium: extracellular pathogen c. nucleus: intracellular pathogen d. lymph: intracellular pathogenarrow_forwardThe type of cell responsible for the secondary response is a_________. Select one: a. mast cell b. monocyte c. memory cell d. red blood cell e. macrophagearrow_forward
- The binding groove of endothelial protein C receptor (EPCR) binds to _____ and presents them to _____. a. phosphoantigens; Vγ9:Vδ2 T cells b. MIC-A or MIC-B proteins; NK cells c. sulfatides; Vγ:Vδ1 T cells d. phospholipids; Vγ4:Vδ5 T cells e. lipid antigens; Vα24–Jα18:Vβ11 NKT cells.arrow_forwardComplement must be inactivated because if it were NOT, A. protein synthesis would be inhibited, thus halting important cell processes. В. necessary interferons would not be produced. C. viruses could continue to multiply inside host cells using the host's own metabolic machinery. D. it could make holes in the body's own cells.arrow_forwardCancer cells have a complex interaction with the cells of the immune system that are present in the stroma. The immune cells have the potential to destroy the tumor if it is recognized as aberrant tissue. Which one of the following statements correctly describes an interaction between cancer cells and the immune cells of the stroma? A. Tumors stimulate formation of new blood vessels—angiogenesis—promoting tumor survival. B. The tumor establishes an immunosuppressive environment by blocking white-cell activation. C. Tumors invoke an inflammatory reaction that blocks entry of immune cells into the stroma. D. Immune cells block tumor growth by providing signals that inhibit cancer cell proliferation.arrow_forward
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