Define factors which may lead to errors in count, Biology

Assignment Help:

Define Factors Which May Lead To Errors in Count?

There are many factors, which may lead to errors in count.

(i) Counts may be low if the agar medium used in the technique does not support the microbial growth.

(ii) The hot agar used in pour plate may kill the cells, leading to low microbial count.

(iii) Low count may result if clump of cells is not broken up and microorganisms are not dispersed well.

(iv) Colony development also depends on incubation conditions and incubation time. Short incubation time may result in development of lesser colonies because different cells on plate grow at different time.

(v) It is difficult to count very small colonies and may give inaccurate count. For more accurate counts, a special colony counter can be used.


Related Discussions:- Define factors which may lead to errors in count

Children with infective endocarditis, Among neonates, IE typically involves...

Among neonates, IE typically involves the tricuspid valve of structurally normal hearts and is associated with very high mortality rates.  It is likely that many of these episodes

What are the different radiographic techniques, Q. What are the different r...

Q. What are the different radiographic techniques used for assessing osseointegration? The different radiographic techniques used to assess osseointegration prior to stage 2 su

Explain dietary management, Dietary Management The golden  rule  in  th...

Dietary Management The golden  rule  in  the dietary  management  of  ally  fever  is  "feed  the fever". Considering that  enteric (typhoid) fever  is accompanied by anorexia,

Choice of transgenic animal, C h oice of transgenic animal First and ...

C h oice of transgenic animal First and foremost is the selection of animal species in which gene of interest is to be transferred. Whatever is the goal of production of tran

What proportion of children with down syndrome found, What proportion of ch...

What proportion of children with Down syndrome do you expect when women with down syndrome have children with men who have 46 chromosomes? Justify answer

Phylum protozoa, PHYLUM  PROTOZOA Definition  and  Introduction  ...

PHYLUM  PROTOZOA Definition  and  Introduction  All  unicellular ( or  acellular )  eukaryotic  animals. Most  primitive (Gr. Protos = first=zoon= animals ) organisms

Fat metabolism, FAT METABOLISM Animals  digest  and utilize three main ...

FAT METABOLISM Animals  digest  and utilize three main  types  of fatty compounds or lipids  neutral or true  fats ( triglycerides ),  phospholipids  and sterols. Endproducts

What essential function do they serve, Why do membranes figure so prominent...

Why do membranes figure so prominently in eukaryotic cells? What essential function do they serve?

Why is the sun the motor of the water cycle, Q. Why is the sun the "motor" ...

Q. Why is the sun the "motor" of the water cycle? The sun can be considered the motor of the water cycle for the reason that upon its energy the transformation of liquid water

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