What is the advantage of excreting nitrogenous waste in the form of ammonia?
A) Ammonia is less toxic than uric acid.
B) Ammonia is less soluble than uric acid.
C) Ammonia excretion conserves energy.
D) Ammonia does not diffuse across cell membranes.
Answer: C
You might also like to view...
One would expect most strict anaerobic organisms to have superoxide dismutase
Indicate whether this statement is true or false.
Which of the following has been associated with Alzheimer's Disease?
A) loss of mitochondria B) 5kb and 7.4kb deletions in mtDNA of heart cells C) mutations in cytochrome oxidase c genes in brain cells D) no change in mitochondrial function.
In the 1970s, children’s pajamas were treated with a(n) ____________________ called tris-BP. Fill in the blank(s) with the appropriate word(s)
In what way do upstream activator sequences (UASs), regulatory sequences in yeast, differ from enhancers and silencers?
A) UASs can function only in the 5'? 3' direction. B) Enhancers function only downstream. C) UASs function only upstream. D) UASs function in the middle of transcription units. E) UASs function only downstream.