Discuss how salting delays food spoilage

Assignment Help Biology
Reference no: EM133441849

ASSIGNMENT:

1. Gram-negative bacteria possess endotoxins in their outer membrane that become active when released. With this in mind, explain why the use of bactericidal antibiotics be discouraged with these types of infections?

2. During which phase(s) of the bacterial growth curve would you want subculture your organisms to maintain optimum growth?

3. Discuss how salting delays food spoilage (e.g., meat, fish). Include water movement and its effects.

4. Overall, which solution resulted in better growth - 25% NaCl or 50% Sucrose? ________________ What might explain this difference?

5. The mucus of a patient suffering from bacterial pneumonia is collected and cultured. Lab clinicians determine  that this bacterial species is also able to grow when stored in the refrigerator. Given this information, what is the best temperature classification of this bacterial species (Be specific)? _______________.

6. Describe the preservation of lutefisk using lye, focusing on pH and its role in controlling microbial growth.

Reference no: EM133441849

Questions Cloud

Determine if a patient has hiv : Why does the hospital feel it is necessary to test every patient for HIV? What types of tests can be used to determine if a patient has HIV?
What is the difference between closed and open bioreactors : Describe the difference between their set-ups. How can scientists control the growth of microorganisms in bioreactors?
Describe the main differences in morphology-gram stain : Differences in morphology, gram stain, and catalase/oxidase reactions among the bacteria isolated from the air compared to bacteria isolated from the mouth.
Types of acellular pathogens : Compare the different types of acellular pathogens (include in your answer the types of pathogens, their mode of replication, and the damage to the host).
Discuss how salting delays food spoilage : Discuss how salting delays food spoilage (e.g., meat, fish). Include water movement and its effects.
What are advantages of using shotgun sequencing technique : How does the shotgun sequencing method allow researchers to sequence the whole genomes of an organism?
How does enzyme protect against oxygen-associated damage : How might this affect the ability of Strain A to tolerate oxygen? Why? How does this enzyme protect against oxygen-associated damage?
What is meant by the word adaptation : Outline the physiological mechanism responsible for adaptation in motile bacteria which exhibit chemotaxis regulated by methylation.
Types of diseases did humans get from domesticating animals : What types of diseases did humans get from domesticating animals and why did they get these types of diseases?

Reviews

Write a Review

Biology Questions & Answers

  Amount of information and methods of gathering

With the tremendous amount of information and methods of gathering it, how do you know what is credible or not?(minimum of 100 words)

  What are the genotypes and phenotypes

a pea plant with constricted pods is crossed with another constricted pod pea plant. what are the genotypes and phenotypes?

  What will be the sex ratio in the offspring of a cross

A mammal uses only one to two percent of its energy in ventilation as a fish must spend about 15 percent of its energy to move water over its gills. Explain this huge difference in their efforts to collect oxygen.

  Eaxplain to about radiation exposure and cancer

He asks you what you think about it. What can you explain to him about radiation exposure and cancer?

  Describe the development of the human embryo

Describe the development of the human embryo from the formation of the zygote to the point where the three embryonic germ layers develop. List the types of adult tissues that are derived from each of these germ layers.

  Exchange rate for the us dollar

If the public believes him, predict what will happen to the exchange rate for the U.S. dollar. Answer the question by drawing the appropriate demand-supply diag

  Expressions for the dissolution of calcium fluoride

1) Among the following equilibrium expressions for the dissolution of calcium fluoride (CaF2) in water... the correct expression is?

  Discuss novelty and cognitive bias

Discuss Novelty and Cognitive Bias: Which characterizations of cognitive bias have you experienced?

  Emergency department and shows the symptoms

A 17 year old male patient took an overdose of 40 tablets of 325 mg aspirin. He took the 40 tablets after a fight with his girlfriend.

  Transcribe the dna coding strand

Below is a template strand DNA CFTR gene sequence for Patient #1379. Transcribe the DNA coding strand and translate the mRNA into an amino acid

  At 20degc the enzyme that catalyzes the synthesis of

at 20degc the enzyme that catalyzes the synthesis of triglycerides functions at 1 reaction every 25 microseconds. if

  Distinction between ecology and environmentalism

Explain the distinction between ecology and environmentalism. Explain how or why the Earth's surface emits more energy than it receives from the Sun.

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