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Question
Biology
From the point of view of early chemical evolution that preceded the origin of life on earth, the most important simple organic molecules formed were
Q. From the point of view of early chemical evolution that preceded the origin of life on earth, the most important simple organic molecules formed were
1591
214
Evolution
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A
sugars and amino acids
42%
B
glycerol and fatty acids
3%
C
purines and pyrimidines
7%
D
all of these
47%
Solution:
The early inorganic molecules interacted and produced simple organic molecules such as simple sugars (e.g., ribose, deoxyribose, glucose, etc.), nitrogenous bases (e.g., purines, pyrimidines), amino acids, glycerol, fatty acids, etc
C
H
4
+
C
O
2
+
H
2
O
→
Sugars + Glycerol + Fatty acid
C
H
4
+
H
CN
+
N
H
3
+
H
2
O
→
Purines + pyrimidines
C
H
4
+
N
H
3
+
C
O
2
+
H
2
O
→
Amino acids