30 Questions
What is the main difference between anaerobic respiration and anaerobic fermentation?
Anaerobic respiration uses oxygen, while anaerobic fermentation does not use oxygen.
Which molecule is regenerated through anaerobic fermentation to continue the process of glycolysis?
NAD+
What type of phosphorylation is involved in the process of anaerobic fermentation?
Substrate-level phosphorylation
Which compound is produced as a side product during fermentation along with ethanol?
Carbon dioxide
What is the result of homolactic acid fermentation on glucose?
Conversion to lactate
Which two major types of anaerobic fermentation are mentioned in the text?
Ethanol fermentation and lactic acid fermentation
In ethanol fermentation, what is the initial product of the conversion of pyruvate?
Acetaldehyde
Which bacteria are involved in transforming sugars to lactic acid in lactic acid fermentations?
Lactobacillus
Which organisms perform ethanol fermentation as mentioned in the text?
Yeast and certain bacteria
Which pathway is responsible for the production of ethanol and carbon dioxide in heterolactic fermentation?
Phosphoketolase pathway
What is the significance of lactic acid producing bacteria in food fermentation?
Lactic acid production
Which dairy product results from the conversion of lactose to lactic acid by lactic acid bacteria?
Yogurt
Which nutrients found in bread act as antioxidants and protect cells from damage by toxic substances?
Vitamin E and selenium
What can spoil sourdough bread, as mentioned in the text?
Bacillus species
In which South Indian households is Idli a popular breakfast choice?
South Indian households
Which ingredient can be added to idli to make it more nutritious according to the text?
Vegetables
What is the main ingredient used to make sauerkraut?
Cabbage
How does the volume of idli batter change after incubation according to the text?
Increases by 113%
What is the primary method of ATP generation in glycolysis?
Substrate-level phosphorylation
Which process involves the generation of an electrochemical proton gradient across the inner mitochondrial membrane?
Oxidative phosphorylation
What type of molecules are produced during substrate-level phosphorylation?
ATP
Which organism is commonly used in food fermentation processes?
Saccharomyces
Which organism is known for its ability to convert citrate to diacetyl, providing a strong buttery flavor in dairy products?
Lactococcus lactis ssp. lactis biovar. diacetyllactis
What happens when the organisms involved in food fermentation 'stray'?
'Spoilage' nature
Which yeast strain is commonly used in industrial food production as a starter culture?
Saccharomyces cerevisiae
Which type of acid is produced during fermentation for preservation?
Lactic acid
Which organism is responsible for eye formation in Gouda cheese due to the carbon dioxide it produces?
Lactococcus lactis
Which genus includes organisms capable of producing lactic acid, CO2, and aromatic compounds like ethanol and acetic acid from glucose?
Leuconostoc
Which subspecies of Lactococcus is highly prized for the flavor it affords to certain cheeses?
Lactococcus cremoris
Where are Bifidobacterium organisms commonly found?
Intestines of man and various animals
This quiz covers the process of cellular respiration, including substrate-level phosphorylation and oxidative phosphorylation. Learn about the conversion of ADP to ATP, NAD+ to NADH, and the generation of electrochemical proton gradient across the inner mitochondrial membrane.
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