Homework Answers
The statement which is false is:
The "G/C ratio" refers to the molar ratio of Guanine compared to that of Cytosine.
G/C ratio or GC content is usually counted as the percentage of those nucleotides (G and C) in a strand of DNA.
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Which of the following statements is FALSE? Gram positive bacteria with a low G/C to A/T...
Firmicutes refers to? a) Cute bugs with firm bodies b) A phylum of low G-C, Gram...
Firmicutes refers to? a) Cute bugs with firm bodies b) A phylum of low G-C, Gram positive bacteria, that includes genera such as Staphylococcus c) A type of virus d) Protozoa that have a cyst stage e) A group of fungi that includes molds and yeasts
Firmicutes refers to? 1. a) Cute bugs with firm bodies 2. b) A phylum of low...
Firmicutes refers to? 1. a) Cute bugs with firm bodies 2. b) A phylum of low G-C, Gram positive bacteria, that includes genera such as Staphylococcus 3. c) A type of virus 4. d) Protozoa that have a cyst stage 5. e) A group of fungi that includes molds and yeasts
Match the following: Corynebacterium diphtheriae's virulence requires this A Neurotoxin Major virulence factor of strep. pneumoniae...
Match the following: Corynebacterium diphtheriae's virulence requires this A Neurotoxin Major virulence factor of strep. pneumoniae The major virulence factor of group A strep, in recent fatal cases V Clostridium tetani's main virulent factor is this B Erythrogenic tosin C Hyaluronidase D. Lysogenic conversion E. Capsule Spreading factor in staph. aureus cellulitis infections Match the following: ✓ Gram positive cocci which causes pharyngitis Patient must be treated with antitoxcin plus an antibiotic for this disease Gram negative rod which causes...
QUESTION 11 Through the microscope, these bacteria appear as Gram-positive cocci typically arranged in irregular and...
QUESTION 11 Through the microscope, these bacteria appear as Gram-positive cocci typically arranged in irregular and often grape-like clusters. Approximately 30% of adults and most children are healthy nasal carriers. The portal of entry is usually the skin and the source of the organism is typically a healthy nasal carrier or direct contact with an abscess from an infected individual. The bacterium typically causes pus-filled inflammatory lesions known as abscesses and may cause systemic infections such as septicemia, septic arthritis,...
26. In case study 1 we looked at pneumonia caused by the Gram-positive bacteria Streptococcus pneumoniae...
26. In case study 1 we looked at pneumonia caused by the Gram-positive bacteria Streptococcus pneumoniae and the yeast Candida albicans. A. Draw picture of each cell. A complete answer will include the major internal and external structures with special attention to features that are used to characterize these cells (8pts). B. Indicate an antibiotic that could be used to selectively target each of these organisms and describe its mode of action (2.5pts). 27. You decide you would like to...
1. Bacteria such as E.coll and staph belong to which Domain? A. Animalia B. Eukarya C....
1. Bacteria such as E.coll and staph belong to which Domain? A. Animalia B. Eukarya C. Archaea D. Bacteria 2. In general terms, prokaryotic cells are cells that? A. Have a nucleus B. Do not have a nucleus. 3. Think about the name E. coli 4X56. In that name which refers to the serotype? A E B. coli C4X56 4. Which of the following best describes the type of bacteria that are important to ecology, and once were thought to...
Which electrolyte measurement is least affected by hemolysis? a. Calciumb. b- Magnesium c. Potassium d. Total...
Which electrolyte measurement is least affected by hemolysis? a. Calciumb. b- Magnesium c. Potassium d. Total Bilirubin Question 2 of 35 Required Question Which of the following should cause specimen rejection for platelet aggregation studies? a. The sample hematocrit is too high .b. The sample is hemolyzed. c. The sample is over-anticoagulated. d. The sample platelet count is too low. Question 3 of 35 Required Question Which of the following is usually positive in a patient with a urinary tract...
Firmicutes refers to? 1. a) Cute bugs with firm bodies 2. b) A phylum of low G-C, Gram positive bacteria, that includes genera such as Staphylococcus 3. c) A type of virus 4. d) Protozoa that have a cyst stage 5. e) A group of fungi that includes molds and yeasts
Match the following: Corynebacterium diphtheriae's virulence requires this A Neurotoxin Major virulence factor of strep. pneumoniae The major virulence factor of group A strep, in recent fatal cases V Clostridium tetani's main virulent factor is this B Erythrogenic tosin C Hyaluronidase D. Lysogenic conversion E. Capsule Spreading factor in staph. aureus cellulitis infections Match the following: ✓ Gram positive cocci which causes pharyngitis Patient must be treated with antitoxcin plus an antibiotic for this disease Gram negative rod which causes...
QUESTION 11 Through the microscope, these bacteria appear as Gram-positive cocci typically arranged in irregular and often grape-like clusters. Approximately 30% of adults and most children are healthy nasal carriers. The portal of entry is usually the skin and the source of the organism is typically a healthy nasal carrier or direct contact with an abscess from an infected individual. The bacterium typically causes pus-filled inflammatory lesions known as abscesses and may cause systemic infections such as septicemia, septic arthritis,...
26. In case study 1 we looked at pneumonia caused by the Gram-positive bacteria Streptococcus pneumoniae and the yeast Candida albicans. A. Draw picture of each cell. A complete answer will include the major internal and external structures with special attention to features that are used to characterize these cells (8pts). B. Indicate an antibiotic that could be used to selectively target each of these organisms and describe its mode of action (2.5pts). 27. You decide you would like to...
1. Bacteria such as E.coll and staph belong to which Domain? A. Animalia B. Eukarya C. Archaea D. Bacteria 2. In general terms, prokaryotic cells are cells that? A. Have a nucleus B. Do not have a nucleus. 3. Think about the name E. coli 4X56. In that name which refers to the serotype? A E B. coli C4X56 4. Which of the following best describes the type of bacteria that are important to ecology, and once were thought to...
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