Exam 4: Nutrition, Culture, and Metabolism of Microorganisms

In aerobic respiration, the final electron acceptor is

Explain what an enzyme must accomplish to catalyze a specific reaction.

The process by which organisms synthesize the chemical substances of which they are composed is ________.

Explain in general terms the principle of allostery.

Explain the circumstances under which the same substance (molecule) can be either an electron donor or an electron acceptor.

Oxalacetate, generated in the citric acid cycle, is important both in the generation of certain amino acids and in the formation of phosphoenolpyruvate.

One example of an electron acceptor that can be used in anaerobic respiration is

Whenever a bacterium undergoes fermentation, ethanol is a byproduct.

Inosinic acid is the precursor of the pyrimidines.

During electron transport reactions,

The enzyme responsible for splitting fructose 1,6- bisphosphate into two three- carbon molecules is________ .

The macronutrient that comprises about 50% of the dry weight of a typical bacterial cell is

Explain the difference between fermentation and respiration in terms of electron transfer.

________is the ability to do work.

The joining of an enzyme and substrate(s) depends on weak bonds, such as

Siderophores

Explain briefly the biosynthetic and bioenergetic roles of the citric acid cycle.

Explain the difference between chemically defined and undefined (complex) media.

Carbon and nitrogen are considered micronutrients.

Enzymes are biological catalysts.