16 Questions
What is the most common storage polymer in bacteria mentioned in the text?
Polyhydroxyalkonates (PHAs)
What type of linkages do monomers of poly-β-hydroxybutyric acid (PHB) form to create the PHB polymer?
Ester linkages
Which type of plastics are biodegradable and have many properties of traditional plastics?
Polyhydroxyalkonates (PHAs)
What is the name of the most successful PHA co-polymer used as a container for personal care products?
Polyhydroxybutyrate-co-polyhydroxyvalerate (PHBV)
What are the monomers that can form the PHBV co-polymer?
β-hydroxy-butyrate and β-hydroxyl-valerate
Which type of plastics is set to double in production in the next 20 years according to the text?
Plastic production in general
Which type of microorganisms are typically used in industrial microbiology to produce products or carry out chemical transformations?
Bacteria
What are the properties of a useful industrial microbe?
Produces spores or can be easily inoculated
What is a primary metabolite produced during microbial growth?
Ethanol
In the context of microbial biotechnology, what are secondary metabolites?
Require a large number of enzymatic steps for production
What is the role of a fermenter in industrial microbiology?
Supplies oxygen for microbial growth
What is the significance of stainless steel in large-scale fermenters?
It is easy to clean and sterilize
How do antibiotics typically function?
By inhibiting the growth of other microbes
What is the primary source of most antibiotics in clinical use?
Bacteria
What is the main task involved in the scale-up process in industrial microbiology?
Transferring a process from small laboratory scale to large-scale commercial equipment
Which group of microorganisms are discovered by laboratory screening to find new antibiotics?
Actinomycetes
Test your knowledge on biopolymers with a focus on plastics as xenobiotics, biodegradable microbial plastics like Polyhydroxyalkonates (PHAs), and the environmental impact of plastic production and disposal.
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