Biology: Life on Earth (11th Edition)
11th Edition
ISBN: 9780134256283
Author: Audesirk
Publisher: PEARSON
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Textbook Question
Chapter 4, Problem 1FTB
The plasma membrane is composed of two major types of molecules, ______ and ______. Which type of molecule is responsible for each of the following functions? Isolation from the surroundings: __________; interactions with other cells: ___.
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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?
The major function of the plasma membrane is to:
define the structure of the organelles.
provide genetic information for the cell.
synthesize chemicals for metabolism.
regulate the passage of molecules and ions.
Which of the following is the primary component of the plasma membrane?
Cholesterol
Glycolipids
Phospholipids
Integral proteins
Chapter 4 Solutions
Biology: Life on Earth (11th Edition)
Ch. 4 - 1. 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 - 4. Which of the following is not a location of...Ch. 4 - Which of the following statements is False?...Ch. 4 - The plasma membrane is composed of two major types...Ch. 4 - The three types of cytoskeleton fibers are...Ch. 4 - Prob. 3FTBCh. 4 - 4. Antibody proteins are synthesized on ribosomes...Ch. 4 - After each description, fill in the appropriate...
Ch. 4 - Two organelles that are believed to have evolved...Ch. 4 - 7. What structure in bacterial cells is composed...Ch. 4 - 1. What are the three principles of the cell...Ch. 4 - 2. Which cytoplasmic structures are common to both...Ch. 4 - Prob. 3RQCh. 4 - Describe the nucleus and the function of each of...Ch. 4 - What are the functions of mitochondria and...Ch. 4 - What is the function of ribosomes? Where in the...Ch. 4 - Describe the structure and function of the...Ch. 4 - 8. How are lysosomes formed? What is their...Ch. 4 - 9. Diagram the structure of eukaryotic cilia and...Ch. 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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- Which 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_forwardAssign a function(s) to the following cellular structures: a. plasma membrane b. mitochondrion c. nucleus d. ribosomearrow_forward
- The 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_forwardIn the fluid mosaic model: plasma membrane proteins orient their hydrophilic sides toward the internal bilayer. phospholipids often flip-flop between the inner and outer layers. the mosaic refers to proteins attached to the underlying cytoskeleton. the fluid refers to the phospholipid bilayer. the mosaic refers to the symmetry of the internal membrane proteins and sterols.arrow_forwardWhat is the role of the plasma membrane? Write the names and functions of the organelles that you think could be affected by pesticides and whyarrow_forward
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