Oxygen is able to allow electrons of a very low energy level to combine with it at the end of cellular
respiration and ultimately make water. How are the specific properties of oxygen beneficial to the
organism that uses it as a final electron acceptor?
a. Oxygen is highly reactive and readily accepts electrons.
b. Oxygen is strongly electronegative and helps pull the electrons through the electron
transport chain.
c. Oxygen allows a maximum output of energy from ATP synthesis.
d. Oxygen is the only molecule that can act as a final electron acceptor.
e. Oxygen is highly reactive and readily oxidizes methane.
B
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________ are organisms that are unable to regulate their body temperature.
Fill in the blank(s) with the appropriate word(s).
Predators can switch to alternative prey when a
prey species is low in abundance as is shown in a. type I response. b. type II response. c. type III response. d. types I and II. e. none of these.
You wish to determine which organs function to remove waste products from the hemolymph (blood) of an insect. You do so by injecting a suspension of particulate dye particles into the abdominal cavity of an anesthetized cricket. Where will you find these dye particles 45 minutes later, after you euthanize and dissect the cricket?
A. in the antennal glands B. in the urinary bladder C. in the nephrons of the kidneys D. in the Malpighian tubules E. in the nephridia F. in the protonephridia
Diabetes mellitus type 2 (DM2 ) is partly hereditary and, if uncontrolled, can lead to kidney disease and heart failure and an increased risk of stroke and blindness. From this information alone, you could say that DM2 is an example of ________
A) codominance B) polygenes C) pleiotropy D) epistasis