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Microbiology Questions and Answers (Q&A)

What are the factors that affect the gram staining procedure?
F. Ray, Student
Answered: Oct 23, 2018
There are many factors that can affect gram staining procedures, some of them are:
1. The age of bacterial culture: bacterial culture with older cells (more than 24 hours) lose Gram...Read More

3 Answers

2174 views
Who is considered the father of virology?
Caitlin_mumaw
Answered: Feb 28, 2021
Martineaus Beijerink is considered the father of virology.

1 Answer

1713 views
What is the microorganisms?
Robert Hazlewood, Senior Executive
Answered: Jan 31, 2019
A microorganism is an organism that is microscopic; this means such an organism cannot be seen with the naked eye. Microorganism includes bacteria, fungi, viruses, protists, and...Read More

5 Answers

1001 views
What cannot be true regarding viruses?
Anika Nicole, Wordsmith
Answered: Jul 20, 2018
All have a protein capsid and envelope. Not all viruses have a protein capsid and envelope. Viruses are basically microscopic parasites which don't have the capacity to thrive and reprod...Read More

4 Answers

726 views
What do microorganisms do?
Urhievwegba
Answered: May 18, 2020
They produce antibiotics They are used in the production of many types of food and beverages They decompose dead...Read More

2 Answers

663 views
How is the ability of a virus to infect an organism regulated?
John Adney
Answered: Apr 09, 2017
Why is it all the above and not just the host?

2 Answers

532 views
What is a PYR test?
Barry Mclean, Sales Manager
Answered: Apr 10, 2019
The correct answer to this question is PYR Positive. PYR stands for pyrrolidonly Aminopeptidase. This test is used to detect the activity of pyrolidonly arylamidase activity. This activity...Read More

3 Answers

500 views
What kind of bond is at the arrow in Figure 2.4?
Mceiswich
Answered: Feb 28, 2021
Peptide bond

1 Answer

485 views
What does the final outcome of most host-parasite relationships depend on?
Andreazza
Answered: Feb 28, 2021
All of the choices

1 Answer

416 views
What does Kochs Postulate say?
John Smith
Answered: Feb 28, 2021
The pathogen must be isolated from the diseased host. The same disease must be produced when microbes from pure culture are inoculated into healthy susceptible...Read More

1 Answer

389 views
What kind of organism does the term facultative anaerobe refer to?
Fabiounsoed
Answered: Feb 28, 2021
Uses oxygen when present or grows without oxygen when oxygen is absent

1 Answer

375 views
What are Capsids?
MINANITheobald
Answered: May 31, 2017

The capsid is composed of capsomere is the repeating unit.

2 Answers

372 views
What can be used to continiously grow microbacterial culture?
John Smith
Answered: Feb 28, 2021
Chemostat

2 Answers

370 views
What are the characteristics of Clostridium?
MBABAZIMONICA
Answered: Apr 29, 2017

Clostridium species are gram positive rods, anaerobic, endospore formers.

2 Answers

365 views
What are used on fastidious organisms that require defined known quantities of specific nutrients?
John Smith
Answered: Feb 28, 2021
Defined media

2 Answers

364 views

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