Advantages and disadvantages of biofilms
What is a biofilm? Discuss the advantages and disadvantages of biofilms
science
Function of organelles
Briefly describe the function of the following organelles: a) Plasma membrane – b) Glycocalyx – c) Cell wall – d) Nucleus – e) Endoplasmic reticulum – f) Golgi apparatus – g) Lysosomes – h) Ribosomes – i) Peroxisomes – j) Mitochondria – k) Chloroplasts –
Prokaryotic and eukaryotic organisms
Describe four (4) important differences between prokaryotic and eukaryotic organisms
Antimicrobial compounds
The use of antibacterial products in hospitals and medical facilities is a necessary and common practice in order to prevent the transmission of disease-causing microorganisms. We have seen an increase in the use of these products, such as antibacterial hand soaps, hand sanitizers, antimicrobial wipes and cleaning sprays, and even dishwashing liquids in healthy …
Factors influence microbial growth
Describe how the following factors influence microbial growth. Use the information found in your assigned reading on oxygen, pH, osmotic pressure, and temperature requirements for microbial growth. (Terms such as thermophile, mesophile, halophile, acidophile, obligate anaerobe, facultative anaerobe, etc. should be used in your descriptions)
Bacterial population growth curve
Describe the four (4) different stages of the bacterial population growth curve
Morphology and Arrangement
Define the following terms used to describe bacterial morphology or bacterial arrangements and give examples of SPECIFIC organisms that are representatives of each category of Morphology AND Arrangements. For example: an example of a cocci organism is Staphylococcus aureus a) Morphology: 1. Cocci – 2. Bacilli – 3. Vibrios 4. Spirilla 5. Spirochete – b) …
Selective media and differential media
Compare and contrast selective media and differential media. Give examples of each type of media
Sterilization, disinfection, and sanitization
Define the following terms: sterilization, disinfection, and sanitization. How are each of these terms different from one another?
5-second rule
Have you heard of the so-called “5-second rule” for when food falls to the floor? (NOT true, by the way) Have you seen the signs in restrooms indicating that all employees must wash their hands before returning to work? Bacteria are everywhere, and the concept of cleanliness should apply to anyone who comes in contact …
