Campbell Biology
12th Edition
ISBN: 9780135188743
Author: Urry
Publisher: PEARSON
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Chapter 40.4, Problem 1CC
If a mouse and a small lizard of the same mass (both at rest) were placed in experimental chambers under identical environmental conditions, which animal would consume oxygen at a higher rate? Explain.
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If a mouse and a small lizard of the same mass were placed in an experimental chamber under identical environmental conditions, which animal would consume oxygen at a higher rate? Explain.
In this experiment, you will be monitoring changes in CO2 concentration due to
aerobic respiration and photosynthesis of each test organism. Which of the
following results would be expected from the conditions described?
Remember this is a closed system (the CO2 cannot escape), and we are monitoring
changes in CO2 concentration over a 3 minute period.
A) An animal will produce a higher increase in CO2 when exposed to the light
than when kept in the dark.
B) A plant will cause an overall higher increase in C02 concentration when
exposed to light versus an plant kept in the dark.
C) A plant will cause an overall higher increase of CO2 concentration when kept
in the dark versus a plant exposed to light.
D) An animal will show a decrease in CO2 while kept in the dark and an increase
in CO2 while in the light.
Describe in detail an experimental design that you will use to test a hypothesis about the realtionship between tempature and the rate of cellular respiration. In other words, how will you gather evidence to support your claim/hypothesis? When identifying your design, be sure to address the following:
What subject (beans, dogs, fish, plants, etc.) will you choose to test your claim/hypothesis?
How will you set-up your experiment in order to have your subjects exposed to the environmental factor that you chose?
How will you measure the rate of cellular respiration? (The number of measurements, etc.)
What variables/factors will you have to control?
Chapter 40 Solutions
Campbell Biology
Ch. 40.1 - What properties do all types of epithelia share?Ch. 40.1 - VISUAL SKILLS Consider the idealized animal in...Ch. 40.1 - WHAT IF? Suppose you are standing at the edge of...Ch. 40.2 - MAKE CONNECTIONS How does negative feedback in...Ch. 40.2 - If you were deciding where to put the thermostat...Ch. 40.2 - Prob. 3CCCh. 40.3 - Prob. 1CCCh. 40.3 - Flowers differ in how much sunlight they absorb....Ch. 40.3 - Prob. 3CCCh. 40.4 - If a mouse and a small lizard of the same mass...
Ch. 40.4 - Prob. 2CCCh. 40.4 - Prob. 3CCCh. 40 - Prob. 40.1CRCh. 40 - Is it accurate to define homeostasis as a constant...Ch. 40 - Given that humans thermoregulate, explain why your...Ch. 40 - Why do small animals breathe more rapidly than...Ch. 40 - Level 1: Knowledge/Comprehension 1. The body...Ch. 40 - Prob. 2TYUCh. 40 - Consider the energy budgets for a human, an...Ch. 40 - Prob. 4TYUCh. 40 - Prob. 5TYUCh. 40 - Prob. 6TYUCh. 40 - Prob. 7TYUCh. 40 - Prob. 8TYUCh. 40 - EVOLUTION CONNECTION In 1847, the German biologist...Ch. 40 - SCIENTIFIC INQUIRY Eastern tent caterpillars...Ch. 40 - SCIENCE. TECHNOLOGY. AND SOCIETY Medical...Ch. 40 - WRITE ABOUT A THEME: ENERGY AND MATTER In a short...Ch. 40 - 13. SYNTHESIZE YOUR KNOWLEDGE These macaques...
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- . If a mouse and a small lizard of the same mass (both atrest) were placed in experimental chambers under identical environmental conditions, which animal would consume oxygen at a higher rate? Explain.arrow_forwardA radiolabeled glucose solution is utilized as a nutrient source for a human myocyte in order to investigate the metabolic response under several conditions. This system was subjected to different conditions, and the CO₂(g) emitted is captured using carbon sequestration apparatus. The radioactivity of the sequestered gas is then measured. The following are the conditions (a to d). Arrange them in terms of expected radioactivity of the captured gas noting that higher radioactivity corresponds to increased concentration of CO2(g). Unless otherwise stated, all of these conditions are at room temperature. Explain the trend in 4 to 5 sentences. a. 1.0 M phosphate buffer, pH = 6.8 b. 0.1 M NaF c. 0.1 M citric acid d. 100 °Carrow_forwardWhat strategy would best measure the influence of temperature and PTU on oxygen consumption? OI will compare how the weights of the control mouse (not treated with PTU) and the experimental mouse (treated with PTU) change with temperature. I will compare the oxygen production of a control mouse (not treated with PTU) and an experimental mouse (treated with PTU) I will compare the normalized oxygen consumption at different temperatures for a control mouse (not treated with PTU) and an experimental mouse (treated with PTU)arrow_forward
- A biology student is investigating the claim that the temperature can be predicted by counting cricket chirps. He has collected data and comes up with the linear model T=39.2+0.233r, where T is the temperature in degrees Fahrenheit and r is the number of chirps per minute. Interpret the slope of the equation. The model predicts a decrease of 0.233 degrees for each increase of 1 chirp per minute. The model predicts a decrease of 39.2 degrees for each increase of 1 chirp per minute. The model predicts an increase of 39.2 degrees for each increase of 1 chirp per minute. The model predicts an increase of 0.233 degrees for each increase of 1 chirp per minute.arrow_forwardDetermine the independent, dependent and and one control variable for the following problems. a) How does the heart rate of a fly change with different types of music? b) Does the amoùnt of sugar you eat effect the number of cavities you have?arrow_forwardIt is essential for the cells in plants and animals to have an adequate supply of oxygen. Explain what the oxygen is needed for in the cells? (Be as specific as possible.)arrow_forward
- a) Use your sketching and writing skills to explain the relationship between metabolic rate (M) and body weight (W): M = aWb b) Based on your answer to question a), generate a new graph to explain how the exponent b in the allometric relationship changes between different groups of animals; and what would happen graphically if M is expressed per gram of body weight: M/W =aW(b-1)arrow_forwardWhat molecules from the cellular respiration reaction could be used in the experiment to then calculate the rate of cellular respiration? C_6H_12O_6 O_2 CO_2 H_2O Energyarrow_forwardWith the advent of photosynthesis, the amount of oxygen in the atmosphere has varied over the eons up to 35 % by volume, theoretically leading to larger plants and animals. The current concentration is 21 % oxygen, 78 % nitrogen, and 1 % other gases such as argon and carbon dioxide. Assuming an atmosphere of 16 % oxygen, to the nearest whole number (no decimal) what would be the ideal volume of water (in mL) initially placed in a 25 mL graduated cylinder (assuming the graduation goes up to the lip of the container) for optimal combustion (biggest explosion) if we collected pure hydrogen by displacement as in this experiment? Make sure to account for the stoichiometry of the combustion, that all gases involved are diatomic, and that equal moles of different ideal gases occupy equal volumes at the same temperature. Answer:arrow_forward
- I'm studing Cellular Respiration. We did a lab. We had technical difficulties... our CO2 gas sensor wasn't working properly. So I am curious, what trends SHOULD I have seen. We compared the CO2 output of bean sprouts vs mealworms. We tested at both room temp (27 degrees C) vs cold temp (15 degrees C) for both the mealworms and bean sprouts. I need to know the trends I should have seen, ie. does an animal or plant produces more C02 and why? Also does the the cool temp make the reduction in CO2 production? Thank you.arrow_forwardif you didn't squeeze out all of the liquid from your casein would your calculation percent yield in the experiment be higher or lower ? explainarrow_forwardConsider the reactants and products of cellular respiration, what do you think are three good ways to assess the rate of cellular respirations, i.e., what can you measure as a proxy for respiration rate?arrow_forward
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Photosynthesis & Respiration | Reactions | Chemistry | FuseSchool; Author: FuseSchool - Global Education;https://www.youtube.com/watch?v=3XIyweZg6Sw;License: Standard YouTube License, CC-BY