Answer:
Explanation:
A single layer of phospholipids forms what is called a micelle. The polar and hydrophilic phospho head groups would form the outermembrane which interacts with the aqueous environment. The nonpolar and hydrophobic lipid tails would be in the cytosol where they pack tightly and form stable interactions with the hydrophobic chains of the stored oil molecules.
Proteins are macromolecules that are made up of the subunits that are called amino acids, there are 20 fundamental kinds of amino acids present. These varying combinations of them make different proteins needed for numerous functions.
Answer:
amino acids
Explanation:
Proteins are made up of small units called amino acids. The proteins are composed of carbon, hydrogen, oxygen and nitrogen. In addition to nitrogen, proteins may contain phosphorus or sulphur or both. The proteins are referred to as nitrogenous compounds because they contain nitrogen element.
The answer is D. receiving blood from the gills
