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24.1. The_____________of the taste cells contain the taste receptors.
A) mitochondria
B) Golgi apparatus
C) endoplasmic reticulum
D) nucleus
E) microvilli |
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24.2. Each olfactory sensory cell contains
A) 1 type of odor receptor
B) a few types of odor receptors
C) 5 types of odor receptors
D) 500 types of odor receptors
E) thousands of types of odor receptors |
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24. 3. Richard Axel and Linda Buck used reverse transcriptase PCR to find that the odorant receptors were:
A) similar to insulin-like receptors
B) G-protein coupled receptors
C) similar to photoreceptors
D) similar to the cardiac acetylcholine receptor
E) similar to the cardiac noradrenaline receptor |
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Definition
| G-protein coupled receptors |
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24.4. According to Hermann von Helmholtz, the____________ acts like a pianoforte.
A) ear drum
B) hair cells
C) cochlea
D) tectorial membrane
E) basilar membrane |
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24.5. The ciliary muscles change the shape of the lens, which allows the eye to ______________.
A) blink
B) water
C) accommodate
D) convert vitamin A to retinal
E) none of the above |
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24.6. The umami receptor recognizes___________.
A) NaCl
B) sucrose
C) quinine
D) glutamate
E) citric acid |
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24.7. Glutamate is found in high concentrations in:
A) Mushrooms
B) Cheese
C) Soy sauce
D) Fish
E) All of the above |
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24.8. Citric acid will stimulate the___________receptor.
A) sweet
B) umami
C) bitter
D) sour
E) salt |
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24.9. The ____________ of the eye forms an image on the retina in a manner analogous to a pinhole camera.
A) iris
B) cornea
C) lens
D) pupil
E) vitreous humor |
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24.10. Farsighted people have a cornea that is too____________.
A) rounded
B) flat
C) hard
D) soft
E) none of the above |
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24.11. Vitamin A is important for_____________.
A) balance
B) touch
C) smell
D) hearing
E) vision |
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24.12 The position of the crest of the traveling wave along the basilar membrane is a function of:
A) loudness
B) color
C) amplitude
D) frequency
E) brightness |
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24.13. Because low notes have such long wavelengths and high notes have such short wavelengths, the position of the ___________ in a room or car is relatively unimportant while the position of a __________ in a room or car makes a difference.
A) tweeter, subwoofer
B) tweeter, amplifier
C) subwoofer, tweeter
D) tweeter, television
E) subwoofer, television |
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24.14. The high frequency notes are decoded on the basilar membrane close to the:
A) auditory canal
B) stirup
C) hammer
D) oval window
E) pinnae |
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24.15. The low frequency notes are decoded on the basilar membrane far from the:
A) auditory canal
B) stirup
C) hammer
D) oval window
E) pinnae |
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24.16. Color-blindness is:
A) a sex-linked genetic trait
B) due to a deficiency in vitamin C
C) due to being exposed to too much chromotoxin in the womb
D) due to listening to music too loud
E) all of the above |
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Definition
| a sex-linked genetic trait |
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24.17. Menthol binds to the _________receptor and capsaicin binds to the _________ receptor which prevents pain by overwhelming the neurons that carry the pain message.
A) pain, pain
B) deep pressure, light touch
C) light touch, deep pressure
D) hot, cold
E) cold, hot |
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