Im confused about this, its circadian Biology; Please help me on this! Just 3 qu
ID: 55074 • Letter: I
Question
Im confused about this, its circadian Biology; Please help me on this! Just 3 questions!! They should be pretty quick!!! Ill thumbs up right away(assuming you are of course correct)
1. Which pairing is INCORRECT (assuming the PRC shown applies to all animals)?
a) Early subjective night/light causes phase delays in nocturnal animal
b) Earyl subjective night/Light causes phase delays for diurnal animal
c) Late subjective night/ light causes phase advances for diurnal animals
d) Mid subjective day/light does not phase shift rythyms
e)Late subjective night/light causes phase delays in diurnal animals
2. Which of the following is a good description of a delaying phase shift in constant conditions?
a) Activity onset tomorrow occurs at a later time than activity onset today
b) After a brief light pulse today, activity onset tomorrow occurs later than it would have without a light pulse
c)any situation where FRP > 24 h
d)after a brief light pulse, activity onset tomorrow occurs earlier than it would have without the light pulse
e)activity onset tomorrow occurs at an earlier time than activity onset today
Explanation / Answer
1. (a) & (e) is my choice of answer
2. (d) is my choice of answer, since, light on awakening advances the schedule about 1/4 hour
3. (a) is correct answer