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Which structure of the excretory system in humans is responsible for converting ammonia into urea?
a. lungs
b. liver
c. skin
d. kidneys
Answers: 1
Biology, 22.06.2019 09:30
During binary fission, what events must occur before the cell splits into two new cells?
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Biology, 22.06.2019 21:40
According to the rna world hypothesis, rna acted as the genetic material and catalyzed reactions in ancient cells. what conclusion can you draw from this? a. this implies that dna and proteins aren't essential in cells today. b. this implies that rna can catalyze any chemical reaction that enzymes catalyze. c. this implies that if a cell has a problem with its dna, its rna can compensate for the damaged dna. d. this implies that dna and proteins evolved after rna.
Answers: 2
Biology, 23.06.2019 00:50
What percentage of organisms is played the dominant trait (tall) in the f2 generation? a.25% b.100% c.75%
Answers: 1
Which structure of the excretory system in humans is responsible for converting ammonia into urea?...
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