The protein structures can be classified into four levels, namely the primary structure, secondary structure, tertiary structure, and quaternary structure. The primary structure is the simplest of all the structures. When all the hydrogen bonds are disrupted, the secondary, tertiary and the quaternary structures gets disrupted, which leads the protein to the most simplest structural form, that is the primary structure. In this structure, the a carbon atom is bonded to hydrogen atom, carboxyl group, amino group, and an 'R' group.
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Consequences of the widespread use of plastic materials can be an increase in levels pollution and the overflowing of landfills because most plastics are non-biodegradable and can take a very long time to disappear unlike things like paper which are biodegradable.
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The androecium is the sum of all the male reproductive organs, while the gynoecium is the sum of the female reproductive organs.
and If all four whorls are present, the flower is described as complete. If any of the four parts is missing, the flower is known as incomplete.
The extinction of a species would negatively affect human society because we may rely on that species for resources, or other species that interact with the extinct species may begin to decline, and those species could be essential to human survival.