Which structure formed by a bacterial cell is used to protect against a harsh environment including...
Which structure formed by a bacterial cell is used to protect against a harsh environment including UV irradiation, high temperatures or extreme dryness?
-
endospore
-
flagella
-
peptidoglycan
-
pilus
5. vacuole
Homework Answers
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Which structure formed by a bacterial cell is used to
protect against a harsh environment including...
Which scientist / experiment provided the most compelling evidence to disproved Aristotle's theory of Spontaneous generation?...
Which scientist / experiment provided the most compelling evidence to disproved Aristotle's theory of Spontaneous generation? 1) Pasteur's swan neck experiment 2) Lazzaro's mutton broth experiment 3) Redi's flask and meat experiment 4) Pasteur's flask and meat experiment Antibiotic resistance genes may be transferred from one bacteria to another by conjugation via.... 1) the sex pilus 2) porins 3) chemotaxis 4) gas vacuoles Which of the following is not true of Gram-positive bacteria? 1) Posess an outer membrane composed of...
ne contains pigments for B. Glycocalyx C. Chromatophores D. Teichoic acids E. Fimbriae F. Nucleoid G....
ne contains pigments for B. Glycocalyx C. Chromatophores D. Teichoic acids E. Fimbriae F. Nucleoid G. NAA H. Flagellin I. P lasmids J. Phospholipids K. Ribosomes L. Endospores M. NAM photosynthetic bacteria found in plasma membrane 2. found in gram-positive cell wall sticky carbohydrate outside cell wall used for attachment and avoiding phagocytes 4 numerous, short hair-like appendages that help bacterial cells attach to other cells. 5, , specialized structures assist in transfer of genetic material between cells 6 structure...
Chapter 12 Study Guide 1. What are the bacterial cell targets of the different antibiotics? 2....
Chapter 12 Study Guide 1. What are the bacterial cell targets of the different antibiotics? 2. Define the following terms: a. Antibiotic resistance b. Antibiotic sensitivity c. Broad-spectrum antibiotic d. Narrow-spectrum antibiotic e. Semisynthetic antibiotic 3. Describe the mechanism of action (target) for the following antibiotics: a. Penicillins (including semisynthetics) b. Cephalosporins c. Quinolones and Fluoroquinolones d. Bacitracin e. Vancomycin f. Carbapenems g. Tetracyclines h. Sulfonamides i. Polymyxin B j. Aminoglycosides k. Macrolides I. Chloramphenicol m. Oxazolidones n. Isoniazid o....
Puzzles, I need one or two word answer for each question. Thank you An acidic dye...
Puzzles, I need one or two word answer for each question. Thank you An acidic dye will give a ___________ stain. Dye in which the color portion resides in the positive ion. A bacterial cell wall containing only 2-3 layers of peptidoglycan and surrounded by an outer membrane composed of phospholipids, lipopolysaccharide, lipoprotein, and proteins. (2 words) During starch hydrolysis, starch is broken down to __________. Secreted by bacteria into the surrounding environment in order to break down larger nutrient...
1. Like phospholipids, lipopolysaccharides have a hydrophilic head and a hydrophobic tail. True or false 2....
1. Like phospholipids, lipopolysaccharides have a hydrophilic head and a hydrophobic tail. True or false 2. The outer membrane of Gram negative bacteria contains lipopolysaccharides T or F 3. Biofilms and pure culture are formed by only one type of microorganism T or F 4. Any given antibiotic will have the same minimum inhibitory concentration (MIC) against any test microorganism. T or F 5. Production of antibiotics by the microorganism is not affected by the culture conditions T or F...
What is the primary method used by microbes to have water cross the membrane? Choose one:...
What is the primary method used by microbes to have water cross
the membrane?
Choose
one:
A. pumps
B. Membranes do not allow water into or out of cells.
C. diffusion
D. pinocytosis
E. aquaporins
Which of the following is the best example of an
extremophile?
Choose
one:
A. the facultative anaerobe Bacillus cereus
B. the Gram-negative plague-causing bacteria Yersinia
pestis
C. the hyperthermophile bacteria Methanopyrus
kandleri
D. the barotolerant bacterial strain DSK1
Of the reactions that involve reactive oxygen...
BACKGROUND: Mycobacterium tuberculosis causes tuberculosis, one of the world’s deadliest diseases...
BACKGROUND:
Mycobacterium tuberculosis causes tuberculosis, one of the world’s
deadliest diseases. It is an acid-fast bacillus that is 2-4 um in
length and 0.2-0.5 um in width.
How many weeks, days,& hours would it take to see a
M.tuberculosis colony on solid media? Its generation time is listed
in the reading (above). Assume that bacterial colonies are not
visible to the naked eye unless they contain ≥ 2 millioncells. This
species forms aggregates of 5 cells on average. Show your...
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1. In what ways was Microsoft’s behaviour (a) against the public interest; (b) in the public...
1. In what ways was Microsoft’s behaviour (a) against
the public interest; (b) in the public interest?
2. Being locked in to a product or technology is only
a problem if such a product can be clearly shown to be inferior to
an alternative. What difficulties might there be in establishing
such a case?
etwork effects Microsoft is a vertically integrated
firm (see page 87), with a dominant position in the operating
system market (i.e. Windows) and in certain application...
Please summarise the following content:(no word limit) EXPERIMENTAL PROCEDURES Animals All animals including pregnant ICR mice,...
Please summarise the following content:(no word
limit)
EXPERIMENTAL PROCEDURES Animals All animals including pregnant ICR mice, neonatal Wistar rats, and NOD-SCID mice (8 weeks old, male) were purchased from CLEA Japan (Tokyo). All exper- imental procedures and protocols were approved by the Animal Care and Use Committee of Keio University and conformed to the National Institutes of Health Guide for the Care and Use of Laboratory Animals. Cells Mouse ESCs were obtained from the Laboratory of Pluripotent Cell Studies, RIKEN...
ne contains pigments for B. Glycocalyx C. Chromatophores D. Teichoic acids E. Fimbriae F. Nucleoid G. NAA H. Flagellin I. P lasmids J. Phospholipids K. Ribosomes L. Endospores M. NAM photosynthetic bacteria found in plasma membrane 2. found in gram-positive cell wall sticky carbohydrate outside cell wall used for attachment and avoiding phagocytes 4 numerous, short hair-like appendages that help bacterial cells attach to other cells. 5, , specialized structures assist in transfer of genetic material between cells 6 structure...
Chapter 12 Study Guide 1. What are the bacterial cell targets of the different antibiotics? 2. Define the following terms: a. Antibiotic resistance b. Antibiotic sensitivity c. Broad-spectrum antibiotic d. Narrow-spectrum antibiotic e. Semisynthetic antibiotic 3. Describe the mechanism of action (target) for the following antibiotics: a. Penicillins (including semisynthetics) b. Cephalosporins c. Quinolones and Fluoroquinolones d. Bacitracin e. Vancomycin f. Carbapenems g. Tetracyclines h. Sulfonamides i. Polymyxin B j. Aminoglycosides k. Macrolides I. Chloramphenicol m. Oxazolidones n. Isoniazid o....
What is the primary method used by microbes to have water cross
the membrane?
Choose
one:
A. pumps
B. Membranes do not allow water into or out of cells.
C. diffusion
D. pinocytosis
E. aquaporins
Which of the following is the best example of an
extremophile?
Choose
one:
A. the facultative anaerobe Bacillus cereus
B. the Gram-negative plague-causing bacteria Yersinia
pestis
C. the hyperthermophile bacteria Methanopyrus
kandleri
D. the barotolerant bacterial strain DSK1
Of the reactions that involve reactive oxygen...
BACKGROUND:
Mycobacterium tuberculosis causes tuberculosis, one of the world’s
deadliest diseases. It is an acid-fast bacillus that is 2-4 um in
length and 0.2-0.5 um in width.
How many weeks, days,& hours would it take to see a
M.tuberculosis colony on solid media? Its generation time is listed
in the reading (above). Assume that bacterial colonies are not
visible to the naked eye unless they contain ≥ 2 millioncells. This
species forms aggregates of 5 cells on average. Show your...
1. In what ways was Microsoft’s behaviour (a) against
the public interest; (b) in the public interest?
2. Being locked in to a product or technology is only
a problem if such a product can be clearly shown to be inferior to
an alternative. What difficulties might there be in establishing
such a case?
etwork effects Microsoft is a vertically integrated
firm (see page 87), with a dominant position in the operating
system market (i.e. Windows) and in certain application...
Please summarise the following content:(no word
limit)
EXPERIMENTAL PROCEDURES Animals All animals including pregnant ICR mice, neonatal Wistar rats, and NOD-SCID mice (8 weeks old, male) were purchased from CLEA Japan (Tokyo). All exper- imental procedures and protocols were approved by the Animal Care and Use Committee of Keio University and conformed to the National Institutes of Health Guide for the Care and Use of Laboratory Animals. Cells Mouse ESCs were obtained from the Laboratory of Pluripotent Cell Studies, RIKEN...
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