Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
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Chapter 44.6, Problem 2EQ
CoreSKILL » Of the two hypotheses explaining how animals discriminate between different odors (see question 1), which one was supported by the results of this experiment? With the evidence presented by Buck and Axel, what is the current hypothesis explaining the discrimination of odors in animals?
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The following passage comes from an abstract in a study about analyzing hearing
loss in twins:
"A clinical and genetic study on 25 twin pairs with at least one deaf member was
performed. Concordance rate of hearing loss was 0.88 in MZ and 0.50 in DZ pairs"
(MZ =monozygotic or identical twins. DZ -Dizygotic or fraternal twins). From this
data alone, what can you conclude about the roles of environment and genetics in
hearing loss? Explain how you reached your conclusion.
What were the research of William Kaelin, Peter Ratcliffe and Gregg Semenza on shedding light on how cells sense and adapt to oxygen availability. Please explain briefly
Ture or False:(T/F) A bee would detect the odor of the flowers using trichoid sensilla located on the antennae and the olfactory information would be processed in the glomeruli of the deuterocerbrum and incorporated into olfactory learning in the corpora pedunculata of the protocerebrum.(T/F) A bee would monitor and control flight speed using interommatidial hairs and the optomotor response.(T/F) Stresses and strains on the exoskeleton during flight would be monitored by basiconic and coeloconic sensilla located in the wing hinge.
Chapter 44 Solutions
Biology
Ch. 44.1 - Prob. 1CSCh. 44.2 - Prob. 1CCCh. 44.2 - Prob. 1CSCh. 44.2 - Prob. 2CCCh. 44.2 - Prob. 2CSCh. 44.2 - Prob. 3CCCh. 44.4 - Prob. 1CCCh. 44.5 - Prob. 1CSCh. 44.5 - Why is red-green color blindness rare in females?Ch. 44.5 - Prob. 2CS
Ch. 44.5 - Prob. 2CCCh. 44.6 - Prob. 1EQCh. 44.6 - CoreSKILL Of the two hypotheses explaining how...Ch. 44.6 - Prob. 3EQCh. 44.6 - Prob. 1CCCh. 44 - The process in which incoming sensory stimulation...Ch. 44 - Prob. 2TYCh. 44 - ______blanksense pain; ______blank sense heat or...Ch. 44 - Prob. 4TYCh. 44 - In which process(es) are hair cells involved? a....Ch. 44 - Prob. 6TYCh. 44 - In the mammalian eye, light from near or far...Ch. 44 - Prob. 8TYCh. 44 - Prob. 9TYCh. 44 - The stimulation for olfaction involves odorant...Ch. 44 - Prob. 1CQCh. 44 - Prob. 2CQCh. 44 - Prob. 3CQCh. 44 - Discuss the several types of sensory stimuli that...Ch. 44 - Prob. 2COQ
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- Can measures of sensory acuity be obtained through filaments and biothesiometer? Explan why or why not Do you tink changing the frequency of the biothesiometer vibrations would affect your measured results? Why? Which settings affect the frequency of stimulation, which affect amplitudearrow_forwardLight sensitivitylabel the discussions with titlesDiscussion 1 – Answer in 100 – 150 WordsThere is a relationship between eye color and sensitivity to light. What is that relationship exactly and what causes some color eyes to be more sensitive than others? Discussion 2 – Answer in 100 – 150 WordsExplain the process of perception. Discussion 3 – Answer in 100 – 150 WordsDo humans actually have a “blind spot?” If so, what causes this blind spot and what are some disadvantages of it? Discussion 4 – Answer in 100 – 150 WordsThoughts? Discussion 5 – Answer in 100 – 150 WordsRefer to Figure 3.25 (b) in Ch. 3 of Sensation and Perception. Typically, the right side of the body is controlled and interpreted by the left hemisphere of the brain, and vice versa. How is this different in the visual system? Why? Discussion 6 – Answer in 100 – 150 WordsDescribe the role of light receptors…arrow_forwardPlease help me with the following question and make sure its 100% accurate pls Can parents distinguish their own children by smell alone? To investigate, Porter and Moore (1981) gave new T-shirts to children of nine mothers. Each child wore his or her shirt to bed for three consecutive nights. During the day, the shirts were kept in individually sealed plastic bags. No scented soaps or perfumes were used during the study. Each mother was given the shirt of her child and one shirt of another randomly chosen child. She was then asked to identify her own child’s shirt by smell. Eight of nine mothers identified their children correctly. Answer the following questions using a two-sided test and a significance level of 0.05.arrow_forward
- 1. The overrepresentation of sound frequencies between 60 and 62 Hz in the Doppler-shifted constant frequency area of a bat's auditory cortex reflects the importance of echolocation for discrimination of the: (a) size of an object. (b) relative velocity of an object. distance of an object. biological significance of an object (prey vs. non-prey). None of the above (d) (e) 2. Explain your answer for number 1.arrow_forwardpse is required to link the gustatory receptor with the sensory neuron. This lends itself Depounio Part D- Signaling in Olfaction and Gustation Different stimuli of the two special senses trigger different methods of signaling within their receptors. How are the following stimuli transmitted? Drag and drop the stimuli into the mostpropriate bins depicting their method of transmission. • View Available Hint(s) Reset Help Umami chemicals Salt chemicals Odorants Bitter chemicals Sour chemicals Sweet chemicals Pesting plasma Actve Inactve Gproton aproten Receptor protein CAMP Inactive Gprotein Active G protein adenylate cyclase CAMP RECEPTOR CELL ATP Active 2nd messenge hctie 2nd meerger Submit Provide Feedbackarrow_forwardDeCasper and Fifer (1980) provided evidence that babies recognize their mothers' voices shortly after birth. Using a nonnutritive nipple attached to a sensing apparatus, DeCasper and Fifer showed that newborns would suck more to hear a tape of their mother's voice compared to a tape of a stranger's voice. Because they were newborns, they must have become familiar with the mother's voice while still in the womb. In a follow-up study, DeCasper and Spence had 16 pregnant mothers read a three minute long passage from the Dr. Seuss book The Cat in the Hat to their fetuses twice a day for the last 6.5 weeks of pregnancy. The mothers were also recorded reading three minute excerpts from two other stories. By the time the babies were born, the researchers calculated, they had heard The Cat in the Hat for about 5 hours. DeCasper and Spence used their sucking test again. The babies sucked more to hear The Cat in the Hat, regardless of whether it was in their mother's voice or another woman's…arrow_forward
- at a large Assume that you are the nurse elementary school where children frequently come to you with nosebleeds. Design an experiment to test whether dropping keys down the back of the neck causes nosebleeds to stop. (Assume parents of all children in the school have given permission for their participation in the experiment and you have followed ethical guidelines for research with human subjects. One possible explanation for why keys down the back might actually be effective in stopping a nosebleed is that they are cold, causing blood vessels to constrict. Treatments should be randomly assigned to the children. Describe how you accomplish this. That is, when a child with a nosebleed comes to the nurse's office, how will you know which treatment he or she should get?arrow_forwardWhat is the relationship between the periodicity scale in photonic crystals and the ability of cephalopods (cuttlefish, octopi) to use chromatic aberration for colour discrimination?arrow_forwardOf the following statements about the human eye, which would Paley agree with the most? A. The eye has lost its purpose and it's obsolete. B. The eye is a perfect fine-tuned machine well suited to its purpose. C. The eye has a use, but it was not evolved for that use.arrow_forward
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The Sensorimotor System and Human Reflexes; Author: Professor Dave Explains;https://www.youtube.com/watch?v=M0PEXquyhA4;License: Standard youtube license