4. Anaerobic metabolism
a. Produces energy through the breakdown of glucose without the use of oxygen
b. Produces lactic acid as a byproduct
c. Is the primary metabolic process in anaerobic organisms
d. All of the above are true
5. The anaerobic bacteria Clostridium botulinum
a. Produces a toxin that causes botulism
b. Can only survive in the presence of oxygen
c. Is commonly found in aerobic environments
d. None of the above are true
6. Fermentation
a. Is an anaerobic process that produces energy in cells
b. Can produce alcohol or lactic acid as byproducts
c. Is utilized in the production of yogurt and alcohol
d. All of the above are true
7. The gas produced during anaerobic respiration is
a. Oxygen
b. Carbon dioxide
c. Nitrogen
d. Water
1. A gas pak in an anaerobic jar
a. contains sodium bicarbonate
b. removes oxygen from the air inside the jar
c. induces the formation of water molecules
d. all of the above are true
2. The indicator resazurin
a. is pink in the absence of oxygen
b. is colorless in the absence of oxygen
c. drives off absorbed oxygen
d. none of the above are true
3. The indicator methylene blue
a. Is blue in an anaerobic environment
b. Is blue when oxygen is present
c. Is pink when oxygen is present
d. Absorbs excess oxygen
1 answer
1 answer