Answer:
Genetic variations can arise from gene mutations or from genetic recombination (a normal process in which genetic material is rearranged as a cell is getting ready to divide). These variations often alter gene activity or protein function, which can introduce different traits in an organism.
Explanation:
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Answer:
The answer is:
2) Destruction of pathogens entering the nasopharynx.
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False: Fats are derived from different foods inside most food groups, and aren't exclusive.
Answer: they are distinguished from one another <span>by the number of fatty acids attached to the glycerol backbone.
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<span>A monoglyceride is a molecule formed by a glycerol backbone and one
fatty acid covalently bonded to it through ester linkages.
</span>A diglyceride is a molecule formed by a glycerol backbone and two fatty acid chains covalently bonded to it through ester linkages.
A tryglyceride is a molecule formed by a glycerol backbone and three fatty
acid chains covalently bonded to it through ester linkages.
