Question

Bacteria and archaea are both prokaryotes. But Carl Woese proposed that archaea are closer to eukaryotes. What’s the evidence for his theory?

Answer 1

The evidences which support that archaea are more close to eukaryotes are as follows:

1. The enzymes involved in transcription and translation are similar in eukaryotes and archaea.

2. The method of DNA replication is similar in both.

3. The initiator tRNA is methionine in both the cases.

4. The promoter of structural genes is TATA box in both domains.

5. The cell wall found in both domains is devoid of peptidoglycan.

6. The DNA is associated with histone proteins in both the cases.

7. The RNA polymerase found in both are many in number.

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