Answer:
PROTEINS!
Explanation:
Amino acids, often referred to as the building blocks of proteins, are compounds that play many critical roles in your body. They're needed for vital processes like the building of proteins and synthesis of hormones and neurotransmitters.
Explanation:
This is an atom with a covalent bond
The endosymbiotic theory states that some of the organelles in eukaryotic cells were once prokaryotic microbes. Mitochondria and chloroplasts are the same size as prokaryotic cells and divide by binary fission.
All species in the same area
Answer:
they are heterotrophic and can produce their own food unlike things like microbes who rely on other things to live. they are also multicellular unlike most bacteria (mushroom is an exception)
