CAMPBELL BIOLOGY,VOL.II >CUSTOM<
17th Edition
ISBN: 9781323803677
Author: Urry
Publisher: PEARSON
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Textbook Question
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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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
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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?
A 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 °C
Chapter 40 Solutions
CAMPBELL BIOLOGY,VOL.II >CUSTOM<
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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- Determine 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_forwardBelow are the results of an experiment to examine the effect of temperature on metabolic rate in mice. Metabolic Rate in Mice at 10°C and 22°C 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 10 degrees C 22 degrees C Chamber Temperature (°C) What is the dependent variable in the experiment? What is the independent variable in this experiment? What is the relationship between temperature and metabolic rate? Metabolic rate (cal/gram/min)arrow_forwardYour scientist friend is working on a research project studying the effects of temperature on the metabolic rate of mice. You collect the data you see below in the table. Answer the following questions. Temperature Metabolic rate (ml oxygen/ml) 5°C (41°F) 258 25°C (77°F) 197 Identify the dependent and independent variables in this experiment. Dependent: _________________________________________________________ Independent: ________________________________________________________ List 2 other variables would need to be controlled in the experiment. 1. 2.arrow_forward
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