Biology: The Unity and Diversity of Life (MindTap Course List)
15th Edition
ISBN: 9781337408332
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 20, Problem 13SQ
Summary Introduction
Introduction: Bacterial exotoxins are the harmful proteins that are secreted by the bacteria.
In contrast to the endotoxins, the exotoxins are released to the environment either actively or during cell lysis. They are heat liable proteins and are extremely toxic to the affected cells even in smaller amounts.
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Chapter 20 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 20 - Bacteriophage-Inspired Antibiotics Although...Ch. 20 - Bacteriophage-Inspired Antibiotics Although...Ch. 20 - Bacteriophage-Inspired Antibiotics Although...Ch. 20 - The genome of ___ can be either RNA or DNA. a. a...Ch. 20 - The capsid of a virion consists of ___ . a. DNA b....Ch. 20 - Bacteriophages kill their host quickly by ______ ....Ch. 20 - The genetic material of HIV (a retrovirus) is...Ch. 20 - Prob. 5SQCh. 20 - Prob. 6SQCh. 20 - Prob. 7SQ
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
UV light is able to damage bacterial cells by:a. preventing mitosis
b. damaging DNA
c. dissolving cell membranes
d. coagulating cytoplasm
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You are sneaky and would like to avoid the deadly grip of phagocytes. Your sweet tooth should help you. a. What is the structure being described? b. What is the chemical composition of this structure? c. What is the function of the structure, and how does it benefit the bacteria?
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A persister cell is an individual bacterial cell that can survive:
A. In an autoclave
B. An antibiotic treatment
C. The hot pools of Yellowstone National Park
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The effect of antibiotics on micro organismsis mainly due to
a. Inhibition of cell-wall synthesis
b. Damage to the cytoplasmic membrane
c. Inhibition of nucleic acid and protein synthesis
d. AOTA
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was used by Joseph Lister to clean wounds and surgical instruments: A.Antibiotics
b.Chlorine water Carbonic acid dAntitoxins
e. Carbolic acid
Which one of the following does not apply to the bacterial glycocalyx?
It is not responsible for virulency
b .It allows the organism to resist drying
C. It may allow an organism to resist phagocytosis
d.It is composed of carbohydrates
E. It is enclosed by the cell wall
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Which of the following are features of Flagella?
A.
Found on the cell surface
B.
Necessary for movement
C.
Found only on bacteria
D.
A & B
E.
C & D
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Some groups of bacteria can go dormant during periods of environmental stress through the formation of _______.
A) magnetosomes
B) peptidoglycan
C) endospores
D) pili
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Nuclear matter without envelope occurs in
A
Bacteria and Green Algae
B
Bacteria and Cyanobacteria
C
Cyanobacteria and Red Algae
D
Mycoplasma and Green Algae
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Lysozyme and the antibiotic penicillin have similar mechanisms of action in that they both cause damage to the bacterial:
Question 5 options:
A)
cell membrane.
B)
capsule.
C)
cell wall.
D)
DNA.
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Select a statement that is not correct about bacterial fimbriae?
A.
they protect the cell from dehydration
B.
they are called attachment pili to distinguish them from the pili used to transfer DNA during conjugation
C.
they are used to attach the cell to its substrate or to other prokaryote
D.
they are hair-like projections that aid in attachment.
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Why can bacterial ribosomes be targeted by antibiotics?a) Because they are different from eukaryotic ribosomesb) Because eukaryotes don't have ribosomesc) Because they are identical to eukaryotic ribosomes
explain answer
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Many of today's antibacterial drugs work by interfering with the growth of cell walls. Why do these drugs tend to have little toxicity to human cells?
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