Ammonia is converted to ____ by the liver
a. amino acids
b. glycogen
c. urea
d. bile
e. digestive enzymes
C
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A scientific ________ must be so thoroughly confirmed that virtually no doubt remains about its accuracy.
Fill in the blank(s) with the appropriate word(s).
Carbon-12, Carbon-13 and Carbon-14 are examples of:
A. ions B. isomers C. molecules D. isotopes
In which cell type would a cell plate form after telophase is complete?
A. bacteria B. animal C. protist D. plant
The red deer population on the Isle of Rum off Scotland has been extensively studied over several decades
One of the findings was that the variance for breeding success in males was 51.3, whereas variance for breeding success in females was 8.8. How do you explain this stark difference in variance? a. Average male breeding success must have been higher than average female breeding success. b. Red deer have a polygynous harem mating system. c. Female access to nutrient resources is more reliable. d. Males show a greater variance in fertility than females.