Microbiology Answers

1)code for a strand of DNA: 3'-AAT AAT AAT-5', write the code for a complementary sequence of DNA.

2)code for a strand of DNA:3'-CGA CGA CGA-5',write the code for a complementary sequence of RNA.

3)The virus nucleic acid was incorporated into the kidney cells DNA between the following sequences: ATA ATA ATA ATA. When the virus incorporated its DNA into the kidney cell DNA, the sequence read: ATC CCC AAT AAT AAT A
What was the DNA sequence of the virus DNA?

1. What is the difference between sprillum and spirochete?
2. Please explain the structure of gram negativebacterias' cell wall?
3. What is the basic structure of cell wall?
4. Explain Quorem sensing?
5. How bacteria taxonomy are organized?
6. How spirochete get its spiral shape?

describe how DNA hybridization can be used to show how closely two bacterial strains are related to one another

How can prions survive treatment in an autoclave?

Is there any difference between two daughter amoebae ? after binary fission , in structure , in size , in shape ?? or even may not they have different electric charge on the surface of their cell membrane?

Which of the following does not belong with the others?
A) Cryptosporidium
B) Entamoeba
C) Giardia
D) Plasmodium
E) Trypanosoma

Explain reassortment in influenza

Patient's serum, influenza virus, sheep RBC's and anit-sheep RBC's are mixed in a tube. Influenza virus agglutinates RBC's. What happens if the patient has antibodies against influenza virus?

Patient's serum, chlamydia, guinea pig, complement, sheep RBCs, and anti-sheep RBC's are mixed in a tub, what happens if the patient has antibodies against chlamydia?

In the USA, what is the official standard, for general purposes, for indoor air quality (IAQ) regarding the acceptable density of bacterial and fungal organisms in the air
a- Zero cfu/m3
b- <500 cfu/m3
c- >750 but <999 cfu/m3
d -There are no official standards for microorganisms and IAQ