694 Answered Questions for the topic microbiology

Microbiology

10/29/20

In the MR-VP test, what end product(s) are detected in the following? a Mixed acid fermentation b Neutral fermentation

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Microbiology

10/29/20

Many organisms in the Enterobacteriaceae family are part of the human gut flora. How does gut flora gain entry into the body? Give at least three exampl
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Microbiology

10/29/20

describe signs and symptoms of diseases that are caused by Salmonella, Shigella, and Escherichia coli

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10/28/20

What is a cell?
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Microbiology Science Biology Chemistry

10/28/20

Voting and Biodiversity

How does biodiversity affect voting
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Microbiology

10/26/20

The following results are obtained from a broth dilution test for microbial susceptibility of a bacterial infection in a patient: Antibiotic Growth in culture + drug Transfer to drug-free

Antibiotic Growth in culture + drug Transfer to drug-free culture concentration50 μg/ml No growth No growth25 μg/ml No growth , Growth 12.5 μg/ml No growth , Growth6.25 μg/ml Growth , Growth What... more
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Microbiology

10/26/20

food-borne pathogenic bacteria has a DRT value of D70 = 2 minutes. If there are 100,000,000 (108) cells present initially, how many cells would still be alive after 10 minutes at 70oC?

3. A food-borne pathogenic bacteria has a DRT value of D70 = 2 minutes. If there are 100,000,000 (108) cells present initially, how many cells would still be alive after 10 minutes at 70oC? How... more
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Microbiology

10/26/20

food-borne pathogenic bacteria has a DRT value of D70 = 2 minutes. If there are 100,000,000 (108) cells present initially, how many cells would still be alive after 10 minutes at

A food-borne pathogenic bacteria has a DRT value of D70 = 2 minutes. If there are 100,000,000 (108) cells present initially, how many cells would still be alive after 10 minutes at 70oC? How long... more
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Microbiology Pharmacology

10/22/20

Empiric treatment for Infection in Soft Tissue
Noah is a 60 years old male with diabetes, hypertension, epilepsy, and HIV. He presents to the emergency department for the second time after failing his oral antibiotic treatment with Cephalexin.... more
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10/21/20

Oxidative Phosphorylation?
Can someone explain the following items in the context of oxidative phosphorylation, along with explaining the process? Mitochondrial matrix Intermembrane space Inner mitochondrial membrane NADH... more
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Microbiology

10/19/20

what is the possible diagnosis? what are the symptoms that are consistant with the illness?
The patient was a 3-year-old male who presented with a 4-day history of fever. He became acutely ill and vomiting during lunch. Over the next 4 days he developed fever as high as 40°C that were... more
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10/17/20

How to answer this question?
A 45 year-old woman complaining of breast pain was diagnosed with having HER2-positive breast cancer. The patient underwent lumpectomy followed by a period of chemotherapy including adjuvant... more
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Microbiology Biology

10/14/20

Reverse transcriptase
Hi!I have one question!Is the enzyme reverse transcriptase that retroviruses need found in the retrovirus particle or inside our own cells (host cell)??
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10/14/20

Creating Dichotomous Keys
I need help making a dichotomous key for archaea and protists. It can be for specific species or for groups/subgroups of the kingdoms.
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10/14/20

Dichotomous Key
I need help making a dichotomous key for: archaea and protists. It can be for specific species or for groups/subgroups of the kingdoms.
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Microbiology Science Biology Chemistry

10/12/20

Can someone tell me how I should answer this question?
A 45 year-old woman complaining of breast pain was diagnosed with having HER2-positive breast cancer. The patient underwent lumpectomy followed by a period of chemotherapy including adjuvant... more
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Microbiology Science Biology Chemistry

10/08/20

Can someone help me please?
A 45 year-old woman complaining of breast pain was diagnosed with having HER2-positive breast cancer. The patient underwent lumpectomy followed by a period of chemotherapy including adjuvant... more
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Microbiology Science Biology Chemistry

10/08/20

Can someone help me please?
A 45 year-old woman complaining of breast pain was diagnosed with having HER2-positive breast cancer. The patient underwent lumpectomy followed by a period of chemotherapy including adjuvant... more
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Microbiology Science Biology

10/02/20

What is the reason for bacterial death in the cell culture? Will bacteria spontaneously die in human infection?

Discussing microbiology lab on bacterial growth curve
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Microbiology

10/02/20

How growth curve will change if the number of bacteria in the lag phase will be change from 16 to 32cells?

discussing stages of bacterial growth curve.
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Microbiology

10/01/20

Which of the following antimicrobial agents makes channels and gram-negative cellular membranes, thus damaging their integrity?
A. PolymyxinB. BacitracinC. DaptomycinD. CephalosporinE. StreptomycinWhich of the following statements regarding resistance to antimicrobial agents is false?a. Resistance can occur after mutation... more
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Microbiology Biology Immunology

09/28/20

Determine number of Bacteria
Determine the number of bacteria within a 1 kilogram package of ground beef in order to provide a quantitative risk assessment and quality measure before release to public market.Technical Data: A... more
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Microbiology Biology Biochemistry

09/28/20

Antibiotic sensitivity table
Hi!Is the table in Bio Libres page on Kirby Bauer for all types of bacteria when it is not specified like Ampicillin (Staph)?Link will be posted in comment below.Thanks!
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Microbiology

09/28/20

Microbio help please!

What is the total surface area of a 50 mL Streptococcus pneumoniae culture at 5x108 cells mL-1 in which the cells have a radius of 0.5 mm? Calculate you answer in cm2. 
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Microbiology Biology Biochemistry

09/25/20

Kirby Bauer Test
Hi!What are some error sources for the Kirby Bauer test for antibiotic sensitivity?Thanks!
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