PEARSON ETEXT FOR CAMPBELL BIOLOGY
12th Edition
ISBN: 9780135988046
Author: Urry
Publisher: PEARSON
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Textbook Question
Chapter 40.1, Problem 2CC
VISUAL SKILLS Ø Consider the idealized animal in Figure 40.4. At which sites must oxygen cross a plasma membrane in traveling from the external environment to the cytoplasm of a body cell?
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Membrane Physiology Homework
1. You have a beaker filled with a solution containing 2M glucose, 4M urea and IM salt.
Suspended in the solution is a cell that containing a solution of IM glucose, 8M urea and 3M
salt. The membrane of the cell is permeable to glucose and salt but not urea. Answer each of the
following questions:
a. Where will water move?
b. Where will urea move?
c. Where will glucose move?
d. Where will salt move?
e. What will happen to the volume of fluid inside the cell?
f. What will happen to the osmolarity of the fluid inside the cell?
VISUAL SKILLS Carbohydrates are attached to plasmamembrane proteins in the ER (see Figure 7.9). On whichside of the vesicle membrane are the carbohydrates during transport to the cell surface?
The movement of molecules in and out of a cell is essential to its function. The cell membrane regulates this movement though processes such
as diffusion, osmosis, active transport, etc. These activities on the next couple pages are designed to assess your understanding of these
processes.
Scenario #3
Semi-permeable
membrane
Охудen
Carbon
Dioxide
Lungs
I Blood stream
After studying the image above, select the statement(s) that would explain what is likely to happen. Choose ALL that apply.
O The carbon dioxide molecules will move into the lungs until equalibrium is reached.
O All the carbon dioxide molecules will move into the lungs to be exhaled.
O All the oxygen molecules will move from the lungs into the blood stream.
O The semipermeable membrane will prevent the movement of either molecule.
O The oxygen molecules will move into the blood stream until equalibrium is reached.
Chapter 40 Solutions
PEARSON ETEXT FOR 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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- Match the below with the correct descriptions Pores across two plasma membranes [ Choose ] [ Choose ] Collagen Enzyme that synthesizes Cellulose Fibronectin Ingetrins Cellulose Synthase Complexes Fibril that provides the most Cadherins tensile strength in animal cells Connexons Cell surface receptor that links the ECM to the Intracellular environment [ Choose ] Fibroblast ECM protein that interacts with cell [Choose ] surface receptors Cell surface adhesion molecules that hold [ Choose ] cells together in a tissue structurearrow_forwardModule 8- Cellular Movement Describe detailed structure of cilia and flagella Mechanism and details of movement of cilia and flagella including roles of Dyneins, Kinesin, and ATP Describe detailed structure of sarcomere Mechanism and details of movement of sarcomere including roles of actin, myosin, ATP, Ca2+ and troponinarrow_forwardDistinguish between simple diffusion (SD), facilitated diffusion (FD), and active transport (AT) across a membrane for the following questions. (a) Which processes are energy dependent? (b) Which processes need some kind of carrier protein(s)? (c) Which processes can be saturated by substrate? (d) Which processes can establish a concentration gradient? (e) How much energy does it take to transport an uncharged substrate in, if its starting inside concentration is 10-fold greater than outside?arrow_forward
- blood flow - Oxygen molecules (O2) move from the lungs into the bloodstream, while carbon dioxide (CO2) molecules move from the bloodstream to the lungs (see Figure 3-2). Use these terms: diffusion, higher, hypertonic, hypotonic, lower alveolus (100 units O2) Movement of O, and CO, across the membrane occurs by CO2 O2 In this figure, O, is moving from the to the because the concentration of O, in the alveolus is while that in the capillary is capillary (40 units O2) FIGURE 3-2 Movement of oxygen molecules.arrow_forwardFor each of the following scenarios please describe which part of the cell theory is supported by this evidence. Options: • • • Cells come from preexisting cells, cells are the basic unit of life, all living things are made of cells 1. A botanist (plant scientists) named Schlieden studied a large variety of plant cells under the microscope and found that all plants were made of cells. Option 1 2. A scientist named Leeuwenhoek found that after studying a wide variety of organisms the smallest living organism he observed was made of only one cell. Option 1 3. A scientist named Virchow viewed cells under a microscope and found that cells would grow and split into new cells. Option 1 4. A zoologist (animal scientist) looked at a large amount of different animal tissues under a microscope and found that all animals are made of cells. Option 1 5. Robert Hooke studied cork and many other substances and found that they contained little square boxes he called cells. Option 1arrow_forwardyou discover that myoglobin has an isoelectric point of 6.8 and chymotrypsin has an isoelectric point of 8.75 after performing the technique called isoelectric focusing which of the following proteins would you expect to find closer to the negative electrode - myoglobin - chymotripsin - equal migration - not enough info - iso focusing separate proteins based on cell size not isoelectric pointarrow_forward
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