What are two types of fermentation? What types of cells ferment lactic acid? Wha
ID: 74395 • Letter: W
Question
What are two types of fermentation?
What types of cells ferment lactic acid? What types of cells ferment alcohol and carbon dioxide?
What forces a skeletal muscle cell to switch from aerobic to lactic acid fermentation?
Which mechanism is more efficient with glucose catabolism: aerobic respiration OR lactic acid ferm.?
Which gaseous molecule is used up in the body cells during aerobic cell respiration? (hint: check the overall formula of aerobic cell respiration to determine the gas chemicals)
Which gaseous molecule is produced in the body cells during aerobic cell respiration?
With regards to evolution and the hypothesized gross lack of oxygen in the atmosphere billions of years ago, which type of cell do you think appeared first: a prokaryotic type or a eukaryotic type? Remember, prokaryotic cells lack many of the cell structures that are found in eukaryotic cells. Given this understanding, which type of cell respiration do you think is the oldest (or most conservative)?
Explanation / Answer
The two most common types of fermentation are
1. Alcoholic fermentation – in this type of fermentation ethyl alcohol is produced as an end product.
2. Lactic acid fermentation – in this type of fermentation lactic acid is produced as an end product.
Alcohol fermentation is observed in yeast cells. Lactic acid fermentation is carried out by some bacteria, and muscles.
Muscle contraction quickly utilizes available ATP. Aerobic synthesis of ATP needs more time. Contraction does not have enough time to wait for ATP synthesis while working. So, muscle switch from aerobic to anaerobic fermentation to replenish the ATPs to carryout functioning.
Aerobic respiration is more efficient with glucose catabolism, because aerobic respiration produces 34 ATPs per glucose molecule, while anaerobic respiration produces only 2.
Oxygen is the final electron acceptor in the electron transport chain. So, oxygen is the gaseous molecule used up in the body cells during aerobic cell respiration.
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