MCQ Practice

The major steps of prebiotic molecular evolution include

A

Accumulation of a secondary atmosphere of NH 3 , CH 4 , H 2 O, H 2 , CO 2 etc. of volcanic origin

B

Self assembly of polypeptides into protoproteinous protocells

C

Capture of ATP, pyrophosphate-or-phosphate utilizing mechanism

D

Capture of nucleic acid-synthesis mechanisms; appearance of ribosomes

Correct Answer: A