Microbiology with Diseases by Taxonomy (5th Edition)
5th Edition
ISBN: 9780134019192
Author: Robert W. Bauman Ph.D.
Publisher: PEARSON
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Chapter 3, Problem 6MC
Summary Introduction
Introduction:
The small particles (in cytoplasm) in a cell where synthesis of proteins occurs are known as ribosomes. It consists of large subunit and small subunit and each subunit is made up of mix of
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For bacteria to infect cells, it produces an extracellular protease that
destroys tissue structure particularly transmembrane proteins. The
bacteria are grown in culture so that the protease can be isolated.
Then the culture is centrifuged. In which sample would the
protease be most likely found?
A. Precipitate containing whole bacteria
B. Cell-free filtrate; that is, the supernatant
C. The lysate of the whole culture
D. Lysed bacteria only
E. All of these
The following table depicts characteristics of five prokaryotic species (A-
E). Use the information in the table to answer the following question.
Trait
Species A
Species B
None
Species C
R
Species D
Species E
None
Plasmid
Gram Staining Variable
Results
Nutritional
Mode
Variable
Negative
Negative
Negative
Chemohete ro- Chemohete ro- Photoauto-
troph
Anaerobic
butanolic
fermentation
Chemohete ro- Chemoauto-
troph
Aerobic
methanotroph methanogen
(obtains carbon
and energy
from methane)
troph
Anaerobic
troph
Anaerobic
lactic add
fermentation
troph
Anaerobic
nitrogen
fixation and
aerobic
photosystems
I and II
Thylakoids
Specialized
Metabolic
Pathways
Other Features Fimbriae
Intemal
Flagellum
Pili
membranes
Which two species should have much more phospholipid, in the form of
bilayers, in their cytoplasms than most other bacteria?
species B and E
species C and D
O species A and C
O species A and B
Which of the following is NOT correctly matched?
A. Halophile – microbe that can grow in an environment with high osmotic pressure (e.g., salt)
B. None of the other four answers (all are correctly matched)
C. Agar – complex polysaccharide from seaweed used as a solidifying agent in culture media
D. Colony – a population of microbial cells arising from a single cell or spore or from a group of attached cells
E. Capnophile – microbe requiring an elevated molecular oxygen (O2) environment for optimal growth
Chapter 3 Solutions
Microbiology with Diseases by Taxonomy (5th Edition)
Ch. 3 - A cell may allow a large or charged chemical to...Ch. 3 - Which of the following statements concerning...Ch. 3 - Prob. 3MCCh. 3 - Which of the following is most associated with...Ch. 3 - Which of the following is not associated with...Ch. 3 - Prob. 6MCCh. 3 - Which of the following statements is true? a. The...Ch. 3 - Prob. 8MCCh. 3 - Prob. 9MCCh. 3 - Prob. 10MC
Ch. 3 - Prob. 11MCCh. 3 - Gram-positive bacteria _______________. a. have a...Ch. 3 - Endospores ________________. a. are reproductive...Ch. 3 - Prob. 14MCCh. 3 - Prob. 15MCCh. 3 - Match the structures on the left with the...Ch. 3 - Match the term on the left with its description on...Ch. 3 - Label the structures of the following prokaryotic...Ch. 3 - Prob. 2VICh. 3 - Prob. 3VICh. 3 - Describe (or draw) an example of diffusion down a...Ch. 3 - Sketch, name, and describe three flagellar...Ch. 3 - Prob. 3SACh. 3 - Prob. 4SACh. 3 - A local newspaper writer has contacted you, an...Ch. 3 - Prob. 6SACh. 3 - Prob. 7SACh. 3 - Prob. 8SACh. 3 - Prob. 9SACh. 3 - Prob. 10SACh. 3 - Prob. 11SACh. 3 - Prob. 12SACh. 3 - Prob. 13SACh. 3 - Prob. 14SACh. 3 - Compare and contrast three types of passive...Ch. 3 - Contrast the following active processes for...Ch. 3 - Contrast symports and antiports.Ch. 3 - Describe the endosymbiotic theory. What evidence...Ch. 3 - A scientist develops a chemical that prevents...Ch. 3 - Methylene blue binds to DNA. What structures in a...Ch. 3 - Prob. 3CTCh. 3 - Prob. 4CTCh. 3 - Prob. 5CTCh. 3 - Prob. 6CTCh. 3 - An electron micrograph of a newly discovered cell...Ch. 3 - An entry in a recent scientific journal reports...Ch. 3 - Prob. 9CTCh. 3 - A researcher treats a cell to block the function...Ch. 3 - After a man infected with the bacterium...Ch. 3 - Solutions hypertonic to bacteria and fungi are...Ch. 3 - Prob. 13CTCh. 3 - Prob. 14CTCh. 3 - Using the following terms, fill in the following...Ch. 3 - Prob. 1TMWCh. 3 - In 1985, an Israeli scientist discovered the...Ch. 3 - Prob. 3TMWCh. 3 - Prob. 4TMWCh. 3 - When the bacterium Escherichia coli is grown in a...Ch. 3 - Prob. 6TMWCh. 3 - Prob. 7TMWCh. 3 - Prob. 8TMWCh. 3 - Prob. 9TMWCh. 3 - Prob. 10TMWCh. 3 - Prob. 11TMWCh. 3 - Colchicine is a drug that inhibits microtubule...Ch. 3 - Clinical Case Study The Big Game College sophomore...
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- Imagine that you discover a new type of bacteria in an environment that is exposed to oxygen. A. What type of bacteria might you have discovered? B. Propose a mechanism by which they can produce the energy neededarrow_forwardComparing the different methods for counting bacterial cells, which of the following is FALSE? A. The serial dilution methods counts only viable cells. B. The turbidity method indirectly measures the number of cells observing how much light goes through a broth sample C. The turbidity method uses a spectrophotometer D. The direct microscopic method counts only viable cells E. The direct microscopic method counts both viable and non-viable cellsarrow_forwardWhich of the following is NOT true about gram-positive and gram-negative bacteria? a. None of the other four answers (all are true) b. Gram-negatives have thicker cell walls than gram-positives c. Cell walls are made of peptidoglycan in both gram-positives and gram-negatives d. Peptidoglycan has a carbohydrate (NAG/NAM) backbone cross-linked by chains of amino acids e. Gram-negatives have an outer membrane outside of the cell wall, composed of lipopolysaccharidearrow_forward
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