28. bacteria and fungi.
29. answer 3
30. answer 2
<span>Yes, the elite athlete gives higher readings when compared to the non elite athletes in the anaerobic activities. Anaerobic metabolism is the process of giving energy to the athletes by burning the carbohydrates without any oxygen presence. This energy helps them to give elite performances.</span>
Absence of oxygen means anaerobic respiration ; which has 2 different pathways.
First Pathway ; Alcoholic fermentation which takes place in yeast.
Pyruvate is decarboxylated into ethanal releasing co2 as waste product.
Ethanal is toxic , so its reduced by help of NADH to ethanol in presence of alcohol dehydrogenase enzyme , and Free NAD is released to continue glycolysis.
2) The second pathway is Lactic fermentation which takes place in mammalian muscles.
Pyruvate accepts hydrogen and is converted to lactate by the help of enzyme lactate dehydrogenase , again free NAD is released to continue glycolysis.
Hope I made it clear enough :)
