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Muscle. Contractions which move the body depend heavily on diffusion. Why do we have difficulty moving our fingers etc. when they are cold ?

Muscle. Contractions which move the body depend heavily on diffusion. Why do we have difficulty moving our fingers etc. when they are cold ?

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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17. Muscle. Contractions which move the body depend heavily on diffusion. Why do we have difficulty moving our fingers etc. when they are cold ?
Record the diameter of the colored circle on the agar plate after 1 hour. AnveRS a LOPO dona Iwhth 37 Potassium permanganate (molecular weight 158) mm Methylene blue (molecular weight 374) mm Th du Rate s What AnvEationship exists between molecular weight and the rate of diffusion? Phe Diffualon and Molecular Size 10. erve all color changes in the practice test. Record your observations in the space below. Starch Test Tube 1- Starch + la KI: Tube 2- Tap water + la KI Glucose Test Tube 1- 1% glucose + Benedict's (heated): Tube 2-0.1% glucose + Benedict's (heated): Tube 3- Tap water + Benedict's (heated): 11. were basis of the indicator test for starch, what must have happened to the iodine molecules that originally only in the water in the large test tube? 12 that he basis of the indicator test for glucose, what must have happened to the glucose molecules were originally in the cellulose tubing sac? 13. Did starch molecules diffuse out of the sac? How do you know? 14. List the following in order of decreasing size: perforations in the sac, starch molecules, glucose molecules. (largest) (smallest) Diffusion and Temperature 15. Record your measurements of the colored areas in the space below. At room temperature: At freezing: 16. What evidence do you have that diffusion occurs more rapidly under warmer conditions? Muscle contractions which move the body depend heavily on diffusion. Why do we have difficulty moving our fingers, etc. when they are cold? 17. Exercise 6, 5/13 6-7 Osmosis & Diffusion
Transcribed Image Text:Record the diameter of the colored circle on the agar plate after 1 hour. AnveRS a LOPO dona Iwhth 37 Potassium permanganate (molecular weight 158) mm Methylene blue (molecular weight 374) mm Th du Rate s What AnvEationship exists between molecular weight and the rate of diffusion? Phe Diffualon and Molecular Size 10. erve all color changes in the practice test. Record your observations in the space below. Starch Test Tube 1- Starch + la KI: Tube 2- Tap water + la KI Glucose Test Tube 1- 1% glucose + Benedict's (heated): Tube 2-0.1% glucose + Benedict's (heated): Tube 3- Tap water + Benedict's (heated): 11. were basis of the indicator test for starch, what must have happened to the iodine molecules that originally only in the water in the large test tube? 12 that he basis of the indicator test for glucose, what must have happened to the glucose molecules were originally in the cellulose tubing sac? 13. Did starch molecules diffuse out of the sac? How do you know? 14. List the following in order of decreasing size: perforations in the sac, starch molecules, glucose molecules. (largest) (smallest) Diffusion and Temperature 15. Record your measurements of the colored areas in the space below. At room temperature: At freezing: 16. What evidence do you have that diffusion occurs more rapidly under warmer conditions? Muscle contractions which move the body depend heavily on diffusion. Why do we have difficulty moving our fingers, etc. when they are cold? 17. Exercise 6, 5/13 6-7 Osmosis & Diffusion
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