Amino acids are similar to carbohydrates and lipids as they all contain carbon, oxygen, and hydrogen.
Amino acids are the organic compounds involved in the synthesis of proteins. The basic structure of amino acids is composed of an amino group, a carboxylic group, a hydrogen atom and a variable R group all bonded with a common α-carbon atom.
Lipids are the organic molecules that consists of fats and oils. The general structure of lipid is composed of a glycerol backbone, with 2 long fatty acid chains attached to each hydroxyl group and a terminal hydroxyl group attached to phosphate group.
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B. lack vascular tissue. Mosses need to absorb water directly from the soil close to the ground because they don't have stems, roots, and leaves that plants use to absorb water .
Carbon 14 isotope is used to determine the age of dead plants like fossils and animals and stones etc. The age determination of very old objects based on carbon 14 isotope is called carbon dating.
