Answer:
C. amino acids.
Explanation:
Amino acids are organic molecules that combine to form proteins whereas a nucleotide is an organic compound that combines a sugar molecule and a phosphate . Phospolipids are fatty acids that also contain a phosphate molecule and lastly carbohydrates which are also known as saccharides are made up of Carbon , Hydrogen and Oxygen atoms .
<span>The most primitive vertebrates whose reproductive pattern includes the amniotic eggs are the reptiles.
An amniotic egg is filled with amniote, which are these membranes that have fluid in them. They serve to protect the embryo and enable it to survive any harsh conditions that may harm it. These cells have protein shells as well as calcium that provide further protection.
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Answer:
Water sample showing pink/purple color is an error.
Explanation:
Biuret is a blue color reagent that changes its color to pink/purple whenever it detects protein in a sample. Water don't contain proteins so it should not show pink/purple color instead it should maintain the blue color. Food items generally contain proteins so it show pink/purple color but it showed blue color.
Error might have caused by wrong marking of the samples, test tube marked with Water might contain a mystery food while Mystery food tube might contain water.
My freind the correct anwer is the 18th amendment
Pressure and heat is the two forces
