AP Biology Flashcards: Smell Integration
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Questions and Answers

Which of the following accurately describes how the dog's brain integrates information for smell?

  • Receptors originating in the nose send action potentials to the motor regions of the brain.
  • Chemoreceptor cells in the nasal cavity send impulses to the appropriate area of the brain. (correct)
  • Chemoreceptors on epithelial cells of the tongue send hormones to the appropriate area of the brain.
  • Chemoreceptors in the brain send impulses for smell in the nasal cavity.

    • Which of the following types of data would be most useful for the scientists to collect at regular intervals on a designated test plot of rose plants?

  • Amount of sunlight (hours/day)
  • Density of rose pollen produced (g/m²) (correct)
  • Amount of pollen produced by each flower (g/flower)
  • Mean temperature (°C)

    • If ATP breakdown (hydrolysis) is inhibited, which of the following types of movement across cell membranes is also inhibited?

  • Facilitated diffusion of a permeable substance
  • Movement of water through aquaporins
  • Passage of a solute against its concentration gradient (correct)
  • Movement of oxygen into a cell

    • Which of the following best predicts how the population will be affected by the landslide?

    <p>The reduced population will likely have allelic frequencies that are different from the initial population.</p> Signup and view all the answers

    Which of the following questions is most relevant to understanding the Calvin cycle?

    <p>How is ATP used in the formation of 3-carbon carbohydrates?</p> Signup and view all the answers

    How will normal blood pH be restored after it has dropped below the normal level?

    <p>An increase in breathing rate will lead to a decrease in blood CO2 and H+ concentration.</p> Signup and view all the answers

    Which of the following graphs is most consistent with the claim that communities with high diversity are more resistant to change than are communities with low diversity?

    <p>D</p> Signup and view all the answers

    Under which of the following conditions is the observed number of beetles per culture dish the greatest?

    <p>T.castaneum with parasite at 100 days</p> Signup and view all the answers

    What conclusion can be drawn regarding the effect of the parasite on Tribolium populations?

    <p>T.castaneum is adversely affected by the parasite, while T.confusum is not.</p> Signup and view all the answers

    Study Notes

    Dog's Sense of Smell

    • Chemoreceptor cells in the nasal cavity transmit impulses to specific areas of the brain to process smell.

    Thrips Population Study

    • Increased thrips populations in spring, decreased in summer suggests food abundance impacts population size.
    • Useful data to collect: Density of rose pollen produced (g/m²) for understanding food availability.

    ATP and Cell Movement

    • Inhibition of ATP hydrolysis disrupts movement of solutes against their concentration gradient.

    Marine Habitat Disruption

    • Undersea landslides can reduce marine population sizes.
    • Surviving organisms post-landslide likely show different allelic frequencies compared to pre-landslide population.

    Calvin Cycle Understanding

    • Key question about the Calvin Cycle pertains to how ATP is utilized in forming 3-carbon carbohydrates.

    Blood pH Regulation Post-Exercise

    • Elevated H+ levels lead to lower blood pH; normal levels restore via increased breathing rate, lowering blood CO2 and H+ concentration.

    Community Diversity and Nonnative Species

    • High species diversity in a community correlates with increased resilience against destabilization by nonnative species.

    Beetle Population Conditions

    • Maximum observed number of beetles occurs in T.castaneum with a parasite after 100 days.

    Effects of Parasites on Tribolium Populations

    • T.castaneum is adversely affected by the parasite, unlike T.confusum which shows different responses.

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    Description

    Test your knowledge of how dogs process scent in this AP Biology flashcard quiz. Understand the roles of chemoreceptors and the brain in sensory perception. Perfect for preparing for multiple-choice exams in advanced biology.

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