Biology: Life on Earth with Physiology (11th Edition)
11th Edition
ISBN: 9780133923001
Author: Gerald Audesirk, Teresa Audesirk, Bruce E. Byers
Publisher: PEARSON
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Chapter 4, Problem 1FIB
Summary Introduction
Introduction:
The plasma membrane is a biological membrane that separates the interior space of all cells from the extracellular space. It is composed of two important molecules phospholipids and proteins.
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Identify how each of the following would pass through the plasma membrane: gases, large polar molecules, charged molecules (like ions), hydrophobic molecules, and small polar molecules. Be specific.
Identify the nonpolar, inorganic molecule which can pass freely through the plasma membrane.
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CO2 (carbon dioxide)
C12H22O11 (sucrose)
C6H12O6 (glucose)
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Which component of the plasma membrane is primarily responsible for forming a physical barrier between the cell’s internal and external environments?
Chapter 4 Solutions
Biology: Life on Earth with Physiology (11th Edition)
Ch. 4.1 - trace the historical development of the cell...Ch. 4.1 - list the three principles of the cell theory?Ch. 4.2 - describe the structure and features shared by all...Ch. 4.2 - distinguish prokaryotic from eukaryotic cells?Ch. 4.2 - Prob. 1TCCh. 4.2 - Prob. 1CSCCh. 4.3 - describe the structure and function of the major...Ch. 4.3 - describe the internal features of bacteria,...Ch. 4.4 - Prob. 1CYLCh. 4.4 - list the structures found in animal but not plant...
Ch. 4.4 - describe the structure and function of each major...Ch. 4.4 - What problems would arise if the trachea were...Ch. 4.4 - Why do the chromosomes in chromatin condense in...Ch. 4.4 - Using Fig. E4 4. plot the changes in each country...Ch. 4.4 - Why is it advantageous for all cellular membranes...Ch. 4.4 - Why is it important for lysosomal enzymes to be...Ch. 4.4 - CONSIDER THIS What advantages do bioengineered...Ch. 4.4 - Over the years, scientists have wondered how many...Ch. 4 - Which of the following is/are found only in...Ch. 4 - Which of the following is not a function of the...Ch. 4 - Prob. 3MCCh. 4 - Prob. 4MCCh. 4 - Prob. 5MCCh. 4 - Prob. 1FIBCh. 4 - Prob. 2FIBCh. 4 - Prob. 3FIBCh. 4 - Prob. 4FIBCh. 4 - Prob. 5FIBCh. 4 - Two organelles that are believed to have evolved...Ch. 4 - Prob. 7FIBCh. 4 - Prob. 1RQCh. 4 - Prob. 2RQCh. 4 - Prob. 3RQCh. 4 - Describe the nucleus and the function of each of...Ch. 4 - Prob. 5RQCh. 4 - Prob. 6RQCh. 4 - Describe the structure and function of the...Ch. 4 - Prob. 8RQCh. 4 - Prob. 9RQCh. 4 - List the structures of bacterial cells that have...Ch. 4 - Prob. 1ACCh. 4 - Prob. 2ACCh. 4 - What problems would an enormous round cell...
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- The plasma membrane __________. a. surrounds the cytoplasm b. separates the nucleus from the cytoplasm c. separates the cell interior from the environment d. both a and carrow_forwardWhich plasma membrane component can be either found on its surface or embedded in the membrane structure? a. protein b. cholesterol c. carbohydrate d. phospholipidarrow_forwardWhy is it advantageous for the cell membrane to be fluid in nature?arrow_forward
- Assign a function(s) to the following cellular structures: a. plasma membrane b. mitochondrion c. nucleus d. ribosomearrow_forwardThe tails of the phospholipids of the plasma membrane are composed of _____ and are _____? a. phosphate groups; hydrophobic b. fatty acid groups; hydrophilic c. phosphate groups; hydrophilic d. fatty acid groups; hydrophobicarrow_forwardDescribe the general functions of the following in a eukaryotic cell: the plasma membrane, cytoplasm, DNA, ribosomes, organelles, and cytoskeleton.arrow_forward
- Which of the following statements related to intercellular junctions is false? Cadherins are important cell-cell adhesion proteins. A cadherin-mediated junction involves many cadherin molecules to achieve strong adhesion. The cytoplasmic domain of cadherins interacts with actin or intermediate filament cytoskeleton through adaptor proteins. Because tight junctions seal the membrane of adjacent epithelial cells, transmembrane proteins in the apical portion of the plasma membrane cannot move to the basal lateral domain or vice versa. Proteins can diffuse through an open gap junction.arrow_forwardIn the plasma membrane, proteins carry out the following tasnks except ONE: 1. ALL other are carried out by proteins 2. catabolic reaction (digestion of complex molecules into simpler one) 3. gather information from surroundings/neighboring cells 4. shuttles molecules across the membrane 4. Binding to other cells via cytoskelletonarrow_forwardDescribe the permeability of cell membranes. How to substances cross cell membranes? Utilize the terms bi-polar, semi-permeable, diffusion, active transport, membrane proteins, endocytosis, exocytosis, vesicles, phagocytosis, pinocytosis, etc. (This should be 3-4 paragraphs long)arrow_forward
- Identify the basic structure of the plasma membrane. Label the diagram: What are the components of the plasma membrane? Outside the cell Inside the cell Polar head - Nonpolar tailarrow_forwardDescribe the composition of the plasma membrane. Include the general structure of different types of lipids and any asymmetry in their distribution. Include the different classes of membrane proteins and different ways in which proteins are associated with the membrane.arrow_forwardGolden Line:Rationale: (Tell me why the authors put this diagram here. What do you think is its main purpose for being in our textbook?)Personal Connection:Question:arrow_forward
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The Cell Membrane; Author: The Organic Chemistry Tutor;https://www.youtube.com/watch?v=AsffT7XIXbA;License: Standard youtube license