Anaerobic respiration occurs in environments without oxygen. In doing so, some organisms have evolved mechanisms to produce ATP by using other ________ acceptors.
A. proton
B. phosphate group
C. NADPH
D. electron
E. fermentation
Answer: D
You might also like to view...
Tetrapods colonized land at about the same time as the early _____ radiations around _____ million years ago
A. plant; 575 B. hemichordate; 542 C. arthropod; 420 D. insect; 360 E. plant; 100
Most of the carbon dioxide in the blood of humans is transported
A. as dissolved CO2 in plasma. B. as bicarbonate ion in plasma. C. attached to hemoglobin in red blood cells. D. attached to hemoglobin in plasma. E. as carbonic acid.
The animal in the above photograph was
adversely affected by ____ and is making a comeback thanks to ____. a. global cooling; heat producing chemical added to their diet b. sexually transmitted viruses; a new vaccine c. limited number of natural cavities; artificial nesting boxes d. high incidence of males being born; transplantation of females from other areas e. all of these
The genes that influence alcoholism are ______________
A. alcohol dehydrogenase genes D. a combination of two of these genes B. aldehyde dehydrogenase genes E. unknown. C. MAOA genes