For use in (aerobic) respiration, polypeptides would first be hydrolysed to their amino acid monomers. These are each deaminated, i.e. have their amino groups removed, producing an organic acid, which can be fed into the Kreb's Cycle, and a waste product, ammonia (NH₃), which is moved to the liver and removed from the blood.
Water and carbon dioxide are used to build atp and release oxygen
fairly certain that is correct. if i am wrong, you may hate me forever. hope that helps \m/
The alveoli. These little air sacs are found on the end of the bronchioles and are the place where oxygen enters the blood and the carbon dioxide leaves.
Multicellular organisms are referred to as eukaryotes while the opposite, unicellular organisms, are called prokaryotes. Among all the kingdoms, I believe the kingdom which all organisms are multicellular are Animalia and Plantae.
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When chemical communication at a synapse is terminated by the recapture of neurotransmitter molecules by the presynaptic neuron, we refer to the process as <u>Reuptake.</u>
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