When oxygen is absent, what metabolic process do bacteria often rely on for energy production from glucose?

What is the primary end-product of anaerobic sludge digestion?

During winemaking, the acetobacter bacteria can convert ethanol into acetic acid under which of the following conditions?

The phenol red fermentation test is usually used to differentiate organisms based on their ability to ferment carbohydrates such as from a glucose broth. If the color turns yellow at the end of the test, what does this result imply?

In an experiment designed to study cellular metabolism under different environmental conditions, scientists observed that some cells were able to survive without oxygen by utilizing alternative chemical reactions. What category do these alternative chemicals belong to when they act as terminal electron receptors?

What is the main role of bacteria in the fermentation process of sauerkraut?

Which of these options correctly identifies a step in the cheese-making process where bacteria that feed on lactose to produce lactic acid are added?