CNS 10: Circadian Rhythm

Question 1

when is per gene transcribed?

Question 2

when is PER abundant?

Question 3

what does PER do to per

Question 4

what is a transcription-translation feedback loops

Question 5

what does the TIM PER dimer do

Question 6

how does per tim and PER TIM oscillate

Question 7

what is clk and cyc?

Question 8

what does the CLKCYC dimer do?

Question 9

what happens to CLKCYC at night

Question 10

what does DBT do?

Question 11

mammas dont use PERTIM but instead use

Question 12

instead of cyc and dbt, mallals use

Question 13

what is a zeitgeber

Question 14

what is the main zeitgeber

Question 15

how can you reset clocks

Question 16

what does retinal signals in SCN do to PER CRY

Question 17

what happens to the clock if PER CRY drops after 4 am

Question 18

what happens to the clock is PER CRY is blocked in the evening

Question 19

how do SCN neurons sync clocks

Question 20

what is entrainment

Question 21

what does the pineal body release in darkness

Question 22

how doe sthe pineal body know to release melatonin

Question 23

how does daylight keep us awake

Question 24

how does darkness induce sleep

Question 25

what happens during awakeness as a result of ATP breakdown

Question 26

why do caffeine crashes occur

Question 27

what happens to muscles during REEM

Question 28

difference bwteen REM and NREM speeds?

Question 29

what happens to REM as the night progresses