The first organisms were
1. chemoautotrophs
2. chemoheterotrophs
3. autotrophs
4. eukaryotes
Which of these are considered most essential in the origin of life?
1. Enzymes
2. Nucleic acids
3. Carbohydrates
4. Proteins
Basis of life are
1. | nucleic acids | 2. | proteins |
3. | nucleoproteins | 4. | amino acids |
The mechanism of non cellular aggregates of giant macromolecules to cell with membranous envelop is
1. Natural selection
2. Not known
3. Mutation
4. Recombination