Podcast
Questions and Answers
The essential guidelines for optimizing a ______ are:
The essential guidelines for optimizing a ______ are:
bioreactor
The culture volume should remain constant to avoid ______ or evaporation.
The culture volume should remain constant to avoid ______ or evaporation.
leaking
The dissolved oxygen level must be maintained above critical levels of ______ and culture agitation for aerobic organisms.
The dissolved oxygen level must be maintained above critical levels of ______ and culture agitation for aerobic organisms.
aeration
The bioreactor should be designed to exclude entrance of ______ microorganisms as well as containing the desired organisms.
The bioreactor should be designed to exclude entrance of ______ microorganisms as well as containing the desired organisms.
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The impellers have a ______ diameter of the vessel.
The impellers have a ______ diameter of the vessel.
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Air passes into the culture medium through a single ______ from the tube attached externally.
Air passes into the culture medium through a single ______ from the tube attached externally.
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The ___________ bed fermentor is a type of bioreactor that has a cylindrical vessel and a packed bed with biocatalysts.
The ___________ bed fermentor is a type of bioreactor that has a cylindrical vessel and a packed bed with biocatalysts.
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The ___________ portion of the fluidized bed fermentor is more expanded.
The ___________ portion of the fluidized bed fermentor is more expanded.
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The ___________ allows the passage of oxygen in a bioreactor.
The ___________ allows the passage of oxygen in a bioreactor.
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The solid matrix in a packed bed fermentor should be ___________ or non-porous.
The solid matrix in a packed bed fermentor should be ___________ or non-porous.
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The ___________ bed fermentor has internal liquid circulation channels that enable continuous circulatory motion of the medium.
The ___________ bed fermentor has internal liquid circulation channels that enable continuous circulatory motion of the medium.
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The fluidized bed fermentor is designed to retain the ___________ inside the vessel and allow the liquid to flow out.
The fluidized bed fermentor is designed to retain the ___________ inside the vessel and allow the liquid to flow out.
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The carbon dioxide released by the use of biofuels was removed from the atmosphere by ______,
The carbon dioxide released by the use of biofuels was removed from the atmosphere by ______,
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Biofuels are ______ burning and reduce emissions of particulate matter,
Biofuels are ______ burning and reduce emissions of particulate matter,
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Perennial cellulosic feedstocks like fast-growing trees and grasses require few ______,
Perennial cellulosic feedstocks like fast-growing trees and grasses require few ______,
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The most common use for biofuels is ______ transport (for example E10 fuel).
The most common use for biofuels is ______ transport (for example E10 fuel).
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The greatest technical challenge is to develop ways to convert ______ energy specifically to liquid fuels.
The greatest technical challenge is to develop ways to convert ______ energy specifically to liquid fuels.
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To grow plants that (naturally) produce ______, such as algae, or jatropha.
To grow plants that (naturally) produce ______, such as algae, or jatropha.
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Saccharomyces yeasts have been genetically engineered to ferment ______, one of the major fermentable sugars present in cellulosic biomasses.
Saccharomyces yeasts have been genetically engineered to ferment ______, one of the major fermentable sugars present in cellulosic biomasses.
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Under ______ conditions (low oxygen concentrations), many organisms, including yeast, obtain the energy from the process of fermentation.
Under ______ conditions (low oxygen concentrations), many organisms, including yeast, obtain the energy from the process of fermentation.
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In alcoholic fermentation, characteristic of many yeast species, the fermentation process starts with one molecule of the ______ sugar- glucose.
In alcoholic fermentation, characteristic of many yeast species, the fermentation process starts with one molecule of the ______ sugar- glucose.
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The CO2 released in the process, dissolves in water and form a ______ acid.
The CO2 released in the process, dissolves in water and form a ______ acid.
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In ______ solutions, the dissolution of CO2 in water decreases then released to the air.
In ______ solutions, the dissolution of CO2 in water decreases then released to the air.
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The process of respiration involves the oxidation of organic substances by ______ oxygen.
The process of respiration involves the oxidation of organic substances by ______ oxygen.
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The conversion of biomass into biofuel can be achieved by ______ methods
The conversion of biomass into biofuel can be achieved by ______ methods
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One of the main end-products of biomass conversion is ______
One of the main end-products of biomass conversion is ______
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Materials with high water content are normally processed through ______ methods
Materials with high water content are normally processed through ______ methods
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The technical processing of biomass depends on the ______ level of the material
The technical processing of biomass depends on the ______ level of the material
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Plants need ______ to grow
Plants need ______ to grow
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Materials with low water content can be burnt to give ______ or to generate steam for the production of electricity
Materials with low water content can be burnt to give ______ or to generate steam for the production of electricity
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