At the end of the electron transport system, oxygen combines with electrons and hydrogen ions to form ________, a waste product
A) urea
B) FAD
C) water
D) NAD+
E) glucose
C
You might also like to view...
You are at the aquarium looking at a freshwater mammal tank and an adult manatee swims close to the glass. On his front flippers you see fingernails. What is a likely explanation for the presence of fingernails on a manatee?
A. They are analogous to human fingernails. B. They are homologous to fish fins. C. They are a developmental homology. D. They are analogous to bear claws. E. They are vestigial structures.
What is the path of fluid as it is filtered from the blood and flows through the nephron?
A. Bowman's capsule ? proximal convoluted tubule ? loop of Henle ? distal convoluted tubule ? collecting duct B. collecting duct ? Bowman's capsule ? proximal convoluted tubule ? loop of Henle ? distal convoluted tubule C. Bowman's capsule ? loop of Henle ? proximal convoluted tubule ? distal convoluted tubule ? collecting duct D. Bowman's capsule? distal convoluted tubule ? loop of Henle ? proximal convoluted tubule ? collecting duct E. collecting duct ? distal convoluted tubule ? loop of Henle ? proximal convoluted tubule ? Bowman's capsule
The nitrogenous waste in mollusks is removed by
A. flame cells. B. nephridia. C. Malpighian tubules. D. incurrent siphon. E. flagella.
You accidentally exposed your cell culture dish to radiation, but you are not sure of the precise wavelength of the exposure
How can you use the induced DNA damage to tell whether the radiation was UV or higher energy? What is the difference between the DNA damage caused by UV radiation compared to higher-energy radiation? Which type of damage is likely to be the most lethal to your cells?