684 Answered Questions for the topic microbiology
Microbiology Science
03/21/19
Open ended response assessment from cell division and complex organisms
why Is cellular differentiation important to complex organisms
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03/19/19
True or False. A promoter is necessary for RNA polymerase binding, with the codon start and stop sites defining the transcriptional unit.
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Microbiology Virology
03/19/19
For how long would a flu-contaminated parcel be an effective disease vector?
A parcel has been delivered and **contaminated** by a person who has the flu.
For how long would the parcel be an effective disease vector?
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03/19/19
Why has malaria only now started to develop resistance against artemisinin?
Why has malaria only now started to develop resistance against artemisinin, considering the compound has been in use for about two millennia in its herbal form in China?
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Microbiology
03/19/19
What is a streak stab technique and how is it used?
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03/19/19
Why is contractile vacuole absent in parasitic protozoans but present in free living protozoans?
I know that contractile vacuole helps in osmoregulation of protozoans and some nitrogenous wastes are also excreted through it. Since contractile vacuole plays an important role in protozoans, why...
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Microbiology
03/19/19
What is parasitology?
Microbiology
03/19/19
What are the differences between bacteria, algae and fungi?
03/18/19
How does Cro protein expressed by lambda phage kill its host?
I read that the DNA segment of lambda phage integrated in host DNA could switch between lysogenic state where cI represses the expression of *Cro* and lytic state where *Cro* expression takes over...
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03/18/19
How do single-celled predators chase other cells?
From my understanding, single celled organisms have been seen avoiding, and chasing, potential food or other organisms.How do they accomplish this? They do not have eyes or ears or a nervous...
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03/18/19
How are antibiotic resistant bacterial infections treated?
For example, how are infections of antibiotic resistant strains of MRSA, Streptococcus, or Gonorrhea treated?
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Microbiology Epidemiology
03/18/19
Since most, if not all, cells in the body replicate and reproduce and none of them merge,
why do our cells let virions in?
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Microbiology Science
03/15/19
NEED HELP ASAP: PETRI DISHES
I recently made some nutrient agar (to grow mold in petri dishes) with a Science Buddies recipe (https://www.sciencebuddies.org/science-fair-projects/project_ideas/microbio_homemademedia.pdf). Once...
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03/15/19
Are all functions of a human cell known?
Please bear with me as I'm intruding into your world from a computer science background. In programming, once you have created a program, you know all functions of that program. Thus, 100%...
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Microbiology Biochemistry
03/15/19
Why don't antiseptic agents kill 100% germs?
I've seen innumerable antiseptic, mouthwash, handwash advertisements that claim to be able to eliminate as much as 99.9% of **all** germs over a surface...but why not the remaining 0.1% (i.e- why...
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Microbiology Sterilisation
03/15/19
Why is 70% ethanol preferred for aseptic techniques?
Are other concentrations (say 80%) less effective,or is this just for convenient manufacturing? Is the concentration chosen only because it is less volatile than 100 percent ethanol and hence safer?
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