AP BIOLOGY

EVOLUTION

THE ORIGIN OF LIFE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following events came 1st
A
inorganic molecules to organic molecules
B
polymer to monomer
C
prokaryotic cells to organic molecules
D
organic molecules to inorganic
Explanation: 

Detailed explanation-1: -So, the correct answer is ‘Carbon dioxide’ and ‘methane’.

Detailed explanation-2: -The first organic molecules formed about 4 billion years ago. This may have happened when lightning sparked chemical reactions in Earth’s early atmosphere.

Detailed explanation-3: -Expert-Verified Answer Ammonia is inorganic and the first formed inorganic compound on earth. Carbon dioxide is the first organic compound formed on the earth’s surface in an oxidising atmosphere.

Detailed explanation-4: -So how did the first organic molecules arise before the origin of life? New research led by the Museum and funded by NASA proposes a possible answer: a carbon-fixation pathway that may have played a key role in producing the first organic molecules on Earth about 4 billion years ago.

There is 1 question to complete.