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Question 21 (1 point) ✓ Saved Which of the following phases of the rhodopsin cycle involves the conversion of tran-retinal ba

Question 23 (1 point) Which of the following structures carries action potentials stimulated by brain sound information as we

Question 26 (1 point) Which of the following is incorrect? All of the choices are correct Fast pain is that which you experie

photoreceptor Question 28 (1 point) Saved Which of the structures listed below contains hair cells and converts vibrations in

ort vestibulocochlear nerve pinna Question 30 (1 point) What category of receptor cell is used to sense changes in temperatu

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Answer #1

21.Ans: Isomerization

The trans- retinal is isomerized to 11-cis-retinal in the retina by enzyme retinal isomerase. This 11-cis retinal can recombine with opsin to regenerate rhodopsin.

23.Ans: Vestibulocochlear nerve

It is the eighth cranial nerve. Its cochlear branch help for the special sensation of hearing and its vestibular branch carries impulses regarding balance, spatial sensation and posture.

The vague nerve is 10 cranial nerve and it regulates internal organ functions such as digestion, heart rate and respiratory rate.

The organ of Corti is an organ located in inner ear help in hearing.

The tympanic membrane is also called eardrum help in the transmission of an impulse from outside to the ear ossicles(located in the middle ear).

Basilar membrane located in the cochlea which separates scala media and scala tympani.

26:Ans: All options are correct.

28.Ans: Spiral organ of Corti.

The organ of Corti located in the cochlea which helps in hearing.

The macula is located in the vestibule which helps in detecting linear acceleration.

30.Ans: Thermo receptor. It helps to sense a change in temperature in the surrounding.

Osomoreceptor help in regulating the concentration of ions in our body.

Photoreceptors help in detecting light. Chemoreceptor help in detection of chemicals.

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