Microbiology: An Introduction
12th Edition
ISBN: 9780321929150
Author: Gerard J. Tortora, Berdell R. Funke, Christine L. Case
Publisher: PEARSON
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Chapter 4, Problem 10MCQ
The antibiotic amphothericin B disrupts plasma membranes by combining with sterols; it will affect all of the following cells except
- a. animal cells.
- b. gram-negative bacterial cells.
- c. fungal cells.
- d. Mycoplasma cells.
- e. plant cells.
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Bacteria lack independent internal membrane systems, but are able to perform photosynthesis and respiration, both of which use membranes. They are able to perform these functions because
a. they actually have internal membranes, but only for these functions.
b. invaginations of the plasma membrane can provide an internal membrane surface.
c. they take place outside of the cell between the membrane and the cell wall.
d. they use protein-based structures to take the place of internal membranes.
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
Which statement best describes why antifungal treatments may have side effects to our own cells?
A. Fungal cells and human cells both have cells walls made of cellulose
B. Fungal cells and human cells both reproduce by budding
C. Fungal cells and human cells both have flagella for movement
D. Fungal cells and human cells both have a nucleus, 80s ribosome, and multiple shared organelles
Chapter 4 Solutions
Microbiology: An Introduction
Ch. 4 - DRAW IT Diagram each of the following flagellar...Ch. 4 - Endospore formation is called (a) _____. It is...Ch. 4 - DRAW IT Draw the bacterial shapes listed in (a),...Ch. 4 - Match the structures in column A to their...Ch. 4 - Why is an endospore called a resting structure? Of...Ch. 4 - Compare and contrast the following a. simple...Ch. 4 - Prob. 7RCh. 4 - Starch is readily metabolized by many cells, but a...Ch. 4 - Match the characteristics of eukaryotic cells in...Ch. 4 - NAME IT What group of microbes is characterized by...
Ch. 4 - Which of the following is not a distinguishing...Ch. 4 - Which statement best describes what happens when a...Ch. 4 - Which statement best describes what happens when a...Ch. 4 - Which statement best describes what happens when a...Ch. 4 - Which of the following statements best describes...Ch. 4 - Which of the following is false about fimbriae? a....Ch. 4 - Which of the following pairs is mismatched? a....Ch. 4 - Which of the following pairs is mismatched? a....Ch. 4 - You have isolated a motile, gram-positive cell...Ch. 4 - The antibiotic amphothericin B disrupts plasma...Ch. 4 - How can prokaryotic cells be smaller than...Ch. 4 - The smallest eukaryotic cell is the motile alga...Ch. 4 - Two types of prokaryotic cells have been...Ch. 4 - In 1985, a 0.5-mm cell was discovered in...Ch. 4 - When E. coli cells are exposed to a hypertonic...Ch. 4 - Clostridium botulinum is a strict anaerobe; that...Ch. 4 - A South San Francisco child enjoyed bath time at...Ch. 4 - Live cultures of Bacillus thuringiensis (Dipel)...
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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
- 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.arrow_forwardSubject: Microbiology The author of a general biology textbook writes in reference to the development of antibiotic resistance, “The speed at which bacteria reproduce ensures that sooner or later a mutant bacterium will appear that is able to resist the poison.” How might this mutant bacterial cell appear? Do you agree with the statement? Does this bode ill for the future use of antibiotics?arrow_forwardCells (a) are not found among the bacteria (b) always have nuclei (c) are the building blocks of living organisms (d) are made up of tissues (e) a and b are truearrow_forward
- The surface-to-volume ratio _______. a. does not apply to prokaryotic cells. b. constrains cell size. c. is part of the cell bodyarrow_forwardUV light is able to damage bacterial cells by:a. preventing mitosis b. damaging DNA c. dissolving cell membranes d. coagulating cytoplasmarrow_forwardWhy did bacteria not degrade this body like they would normally? A. Because bacteria did not exist when this woman died. B. None of these are correct. C. Because bacteria need oxygen, and the coffin seal was air-tight. D. Because bacteria need carbon dioxide, and the coffin seal was air-tight.arrow_forward
- 1. What is the purpose of a cell wall in bacteria? A. Structure B. Protection C. Peptidoglycan production D. a&b 2. 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 3. Choose an answer that best describes tthe difference between a plant vs. animal cell A. Only animals have cell walls B. Lysosomes are only found in plant cells C. Plant cells have chloroplasts and mitochondria, animal cells have only mitochondria, and both organelles generate energy in the form of ATP via electron transport. D. Peroxisomes are only found in animal cells 4. Which of the folllowing organelles/complexes makes proteins? A. The Nucleus B. Cytoplasm C. Peroxisomes D. Ribosome E. Golgi Apparatusarrow_forwardWhich of the following is not true of ALL eukaryotic cells? explain why A. They have membrane-bound organelles B. They have chloroplasts C. They have a nucleus D. They have a cell membranearrow_forwardThe presence of a membrane-enclosed nucleus is a characteristic of ________. a. prokaryotic cells b. eukaryotic cells c. all cells d. virusesarrow_forward
- a) Difference between Endocytosis and exocytosis b) Difference between DNA vs RNA vs Protein c) Difference between PCR vs DNA replication d) Difference between Sympathetic vs Para-sympathetic nervous systemarrow_forwardIn which of the following ways does a bacterial cell differ from an animal cell? a. A bacterial cell is much larger than an animal cell. b. A bacterial cell has more mitochondria than an animal cell. c. A bacterial cell has RNA for its genetic material, whereas an animal cell does not. d. A bacterial cell does not have membrane-bound organelles, whereas an animal cell does.arrow_forwardWhich of the following best describes the mechanism of action of the antibiotic streptomycin? A. it disrupts protein synthesis in resistant bacteria. B. Streptomycin inhibits cell wall synthesis in all bacterial species. C. Streptomycin creates mutations in bacteria which cause them to become resistant. D. It disrupts protein synthesis in nonresistant bacteria.arrow_forward
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