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- Name the receptors that are sensitive to chemicals.Which one is wrong? a. Bitterness is percieved by posterior region of tounge b. Terpenic flavor is a foreign odor in orange juice c. Green olives have the highest polyphenols and hence bitterness d. The compound giving umami taste can enhance sourness and bitterness e. Taste receptor numbers reduces by ageGoing to the doctor and having a vision test performed is an example of finding out ___? Difference Threshold Absolute Threshold Minimum Threshold Variable Threshold
- How can you use Uv-visible spectroscopy in qualitative and quantitive analysis of drugs? Please answer shorty at your own words. Answer should be to the point(specific 4-5 lines)questioin is in the imageBoth the gustatory and olfactory system allow for the perception and identification of different chemical cues from the environment. Summarize the difference between these two systems with respect to coding. In other words, how does the neuronal activity of these systems provide a code that allows distinct chemicals to be represented?
- Researchers have studied the perception of taste. Which of the following is an accurate conclusion? As a person ages, his or her sensitivity to taste perception diminishes, making it more difficult to distinguish flavors. Children under the age of 1 cannot perceive taste differences. Taste receptors can only be found in the cheeks of the mouth. The olfactory bulb is responsible for sending messages about taste from the mouth to the brain. There are four primary tastes: salty, spicy, sour, sweet. woman was injected with radioactive glucose and asked to look at pictures of her family members while having a brain scan performed. Which type of technology was being used? Computerized axial tomography (CAT) Electroencephalogram (EEG) Lesioning Magnetic Resonance Imaging (MRI) Positron emission tomography (PET)Fill in the blank: A chemical would be considered _______________________ if a person lacks a particular receptor site on the cilia of the olfactory neurons.The encoding of __________is thought to be mediated by delay lines in the superior olive. sound location in the horizontal plane sound intensity pitch sound location in the vertical plane
- The correct order in the taste process is: 1. There are differences in electrical charges between the inside and outside of the cell membrane II. Interaction between receptor cells a with cell membrane receptor proteins III. Sending information to the cerebral cortex a. I, II, III b. II, III, I c. II, I, III d. III, II, IWatch this video (http://openstaxcollege.org/l/2point) to see a quick demonstration of two-point discrimination. Touching a specialized caliper to the surface of the skin will measure the distance between two points that are perceived as distinct stimuli versus a single stimulus. The patient keeps their eyes closed while the examiner switches between using both points of the caliper or just one. The patient then must indicate whether one or two stimuli are in contact with the skin. Why is the distance between the caliper points closer on the fingertips as opposed to the palm of the hand? And what do you think the distance would be on the arm, or the shoulder?A compound extracted from the leaves of the shrub Stevin-rebaudiana is a natural sugar substitute. The compound is 300 times sweeter than sugar, but has a slight bitter aftertaste. Given what you know about taste receptors, explain how a compound can be perceived as both sweet and bitter.