

Biol 221 Lec 41 MCQ
Flashcard
•
Biology
•
University
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a second generation biofuel?
Back
Second generation biofuels are produced from non-food biomass, such as agricultural residues, wood, and algae, as opposed to first generation biofuels which are derived from food crops.
2.
FLASHCARD QUESTION
Front
What is the significance of 16S rRNA in microbial diagnostics?
Back
16S rRNA is a component of the ribosome in bacteria and is used as a molecular marker for identifying and classifying bacteria due to its conserved and variable regions.
3.
FLASHCARD QUESTION
Front
What are microbial fuel cells (MFCs)?
Back
Microbial fuel cells are devices that use bacteria to convert organic matter into electricity through biochemical reactions.
4.
FLASHCARD QUESTION
Front
How can the efficiency of microbial fuel cells be improved?
Back
Increasing bacterial production of pili and nanowires can enhance electron transfer and improve the efficiency of microbial fuel cells.
5.
FLASHCARD QUESTION
Front
What is the least efficient technology for producing combustible fuel from renewable sources?
Back
Ethanol from cellulosic sources is considered the least efficient technology for producing combustible fuel from renewable sources.
6.
FLASHCARD QUESTION
Front
Why is 1,3-Propanediol (PDO) important for biopolymers?
Back
1,3-Propanediol is important for biopolymers because it has improved elasticity compared to polyester, making it a desirable material for various applications.
7.
FLASHCARD QUESTION
Front
What is the role of redox mediators in microbial fuel cells?
Back
Redox mediators facilitate electron transfer between bacteria and the anode, potentially improving the efficiency of microbial fuel cells.
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