Answer:Control involuntary movements and actions.
I believe that the disadvantages outway the advantages. Afterall we want to stay healthy and live longer.
B) The enzyme has active sites where the substrate binds with the enzyme to form a complex. When the substrate binds to the active site, an induced fit is formed where the enzyme changes its shape in order to better serve the substrate and lower the activation energy of the reaction.
Answer: A single gene can influence multiple traits
Explanation: One Gene Can Affect Multiple Traits. How can a mutation in one single gene cause a disease with a wide range of symptoms? This situation is referred to as pleiotropy, and it has been identified in a wide range of species, even humans. ... A pleiotropic gene is a single gene that controls more than one trait.
<span>In esophagus the stratified squamos epithelium acts for protection and lubrication during food intake. It is structured to act like a mucous layer. Normal stratified squamos epithelium are of flattened epithelial cells upon a basl membrane. It provides protection against friction, microbial invasion etc.</span>