It is the long string of amino acids.
Answer:
because they can donate blood to anyone
Explanation:
The veins carry blood to the heart after being deprived of oxygen
Bacteria: Bacteria: Cell walls with peptidoglycan, includes autotrophs and heterotrophs, Prokaryotic cells
Archaea: Includes methanogens and halophiles, Prokaryotic cells, includes autotrophs and heterotrophs.
Eukarya: Includes plants, animals and fungi, eukaryotic cells, includes autotrophs and hetrotrophs.
Explanation:
Bacteria are the unicellular prokaryotes with a distinct feature of cell wall made up of peptidoglycan.
Archaea: They are unicellular and lack a defined nuclei and lives in extreme climate.
Eukarya: multicellular, Eukaryotic, well-defined nucleus, membrane-bound organelle, no cell wall.
