Microbiology, Biology

Assignment Help:
Assume that after washing your hands, you leave ten bacteria cells on a new bar of soap. You then decide to do a plate count of the soap after it was left in the soap dish for 24 hours. You dilute 1g of the soap 1:106 and plate it on standard plate count agar. After 24 hours of incubation, there are 168 colonies. How many bacteria were on the soap? How did they get there?

Related Discussions:- Microbiology

What is the typical shape of poriferans, What is the typical shape of porif...

What is the typical shape of poriferans? Sponges have bodies in the type of tubular vases or globes open in the upper extremity. They have an internal central cavity and porous

Explain about the autodispensor, Explain about the Autodispensor? This ...

Explain about the Autodispensor? This is used to transfer accurate quantities of liquids that are difficult to pipette like concentrated acids, alkalis, etc. You will also use

Blank titration for determination of iodine number of lipids, Define Blank ...

Define Blank titration for Determination of the Iodine Number of Lipids? Using an autopipette, measure 25 ml of Hanus iodine reagent accurately and transfer into a 250 ml iodin

How is the cerebrum anatomically divided, Q. How is the cerebrum anatomical...

Q. How is the cerebrum anatomically divided? The cerebrum is divided into two cerebral hemispheres, the left and the right. Each hemisphere is made of four cerebral lobes: pari

Determine the cylindrical body of nematodes brought, Compared to platyhelmi...

Compared to platyhelminthes which physiological problem have the cylindrical body of nematodes brought? How was that problem solved? The cylindrical shape of nematodes made imp

Define drug effects on food intake - cause dry mouth, Define drug effects o...

Define drug effects on food intake - cause dry mouth? cause dry mouth (xerostomia) : Lack of saliva makes it difficult to masticate and swallow foods, especially those of a dry

Gene targeting, Gene targeting: There is always a debate on gene integrat...

Gene targeting: There is always a debate on gene integration in to the host animal. It is random gene integration Vs gene targeting. Perhaps most significantly, pro-nuclear in

Cell - basic unit of life, Cell - Cell is the structural & functiona...

Cell - Cell is the structural & functional unit of life. Study of the structure of the cell is called cytology. Study of structure and functions of the cell is called

What are the components of mitral valve apparatus, Q. What are the Componen...

Q. What are the Components of mitral valve apparatus? 1) Annulus: Annulus is a saddle shaped structure with medial and lateral portions forming the basal points and anterior a

What is an instance of a hypothesis, Q. What is an instance of a hypothesis...

Q. What is an instance of a hypothesis which may explicate why there is not a big representation of the class Reptilia found in Polar Regions? Beings of the class Reptilia are

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd