The metabolic processes called fermentation
A. produce substrates for the Citric acid cycle.
B. are alternatives for the pentose phosphate pathway.
C. use an organic molecule as a final electron acceptor.
D. occur only when oxygen is readily available.
E. produce substrates for glycolysis.
Answer: C
You might also like to view...
Enzymes are
(a) biological catalysts. (b) agents that speed up cellular reactions. (c) proteins. (d) all of the above.
A 36-year-old man entered the emergency department with bleeding and weight loss several weeks after returning from a trip to South America. A stool sample was taken and microscopi-cally examined. Barrel-shaped eggs with bipolar plugs were observed. The organism can be identified as:
a. T. trichiura. b. A. duodenale. c. N. americanus. d. S. stercoralis.
The primary source of energy for bacteria in phylum Fusobacteria is ________.
A. amino acids B. lipids C. glucose D. lactose
You are observing a developing embryo under a microscope and see that it has a space in the middle of the endoderm, but no features of a notochord are present. In which stage of development is this embryo?
A) zygote B) blastula C) gastrula D) fetus