The process of noticing environmental stimuli or stimuli
arise from the body is called Sensation; the habit to pay less attention to a non-changing
origin of stimulation promote change in responding to sensory events rather
than perceiving constant stimulation. The
smallest noticeable difference of the two stimuli-as stimuli get larger, differences
must also become larger to be detected by an observer.
The possible number of amino acid residues in the peptide composed entirely of alpha-helical structure and found to contain an integer number of complete turns is 36