Which one of the following cells has short chains of amino acids in its cell wall?

Archaea are prokaryotes similar to bacteria but lack __________ in their cell walls.

All of the following are methods of gene exchange in bacteria except

Which of the following introduces genetic variation in bacteria by incorporating external DNA?

Some bacteria have the ability to degrade oil present in water bodies. The use of bacteria to remove such  environmental pollutants is an example of:

What are organotrophs?

The following roles of microbes as decomposers in the biosphere are all true, except

Which of the following is not present among Archaeans?

Which one is true for both bacteria and archaea

Which of the following phylogenetic trees accurately illustrates the divergence of bacteria and archaea from a common ancestor while also demonstrating that eukarya are more closely related to archaea than to bacteria?

The word 'prokaryotic' is derived from Greek roots. What does it imply about the cellular structure?

How does binary fission in prokaryotic cells differ from mitosis in eukaryotic cells?

Which characteristic allows some archaea to survive in highly acidic environments?