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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

2090 views
Who is considered the father of virology?
Caitlin_mumaw
Answered: Jan 17, 2021
Martineaus Beijerink is considered the father of virology.

1 Answer

1700 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

992 views
Which cannot 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

704 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

609 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

524 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

487 views
What kind of bond is at the arrow in Figure 2.4?
Mceiswich
Answered: Jan 17, 2021
Peptide bond

1 Answer

474 views
What does the final outcome of most host-parasite relationships depend on?
Andreazza
Answered: Jan 17, 2021
All of the choices

1 Answer

412 views
What does Kochs Postulate say?
John Smith
Answered: Jan 17, 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

376 views
What kind of organism does the term facultative anaerobe refer to?
Fabiounsoed
Answered: Jan 17, 2021
Uses oxygen when present or grows without oxygen when oxygen is absent

1 Answer

368 views
What are the characteristics of Clostridium?
MBABAZIMONICA
Answered: Apr 29, 2017
Among those options given non is correct regarding Clostridium species because,they are gram positive rods,anaerobic, endospore formers.

2 Answers

363 views
What can be used to continiously grow microbacterial culture?
John Smith
Answered: Jan 17, 2021
Chemostat

2 Answers

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

The capsid is composed of capsomere is the repeating unit.

2 Answers

356 views
Which of the following is not true regarding viruses?
Tmondal
Answered: Jan 17, 2021
All have a protein capsid and envelope

1 Answer

349 views

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