Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 5.1, Problem 1TYK
Which of the following is not a characteristic of a biological membrane?
- contains a bilayer of phospholipids
- contains proteins that are inserted into the membrane
- contains a high percentage of water molecules
- has carbohydrates attached to lipids and proteins
- has asymmetric leaflets
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Students have asked these similar questions
Which of the following best describes a biological membrane?
two layers of phospholipids with proteins embedded between the two layers
two layers of phospholipids (with opposite orientations of the phospholipids in each layer) with each layer covered on the outside with proteins
two layers of phospholipids with proteins either spanning the layers or on the surface of the layers
a fluid structure in which phospholipids and proteins move freely between sides of the membrane
a mixture of covalently linked phospholipids and proteins that determines which solutes can cross the membrane and which cannot
Which of the following is true regarding the permeability of the cytoplasmic membrane?
Nothing can diffuse across the membrane
All molecules can freely diffuse across it
Only non-polar molecules can diffuse across the membrane
It is generally impermeable to ions, polar molecules
Which of the following statement
best describes the chemical
composition of cytoplasmic
membrane?
Cytoplasmic membrane is bilayer of
phospholipids embedded with
proteins
Cytoplasmic membrane is
composed of two layers- one layer
of phospholipids and one layer of
proteins.
Cytoplasmic membrane is bilayer of
proteins embedded with
phospholipids
Chapter 5 Solutions
Principles of Biology
Ch. 5.1 - Which of the following is not a characteristic of...Ch. 5.1 - Prob. 2TYKCh. 5.2 - In an animal cell, how can changes in lipid...Ch. 5.2 - Prob. 2CCCh. 5.2 - Prob. 1TYKCh. 5.2 - Which of the following changes would make a...Ch. 5.3 - Prob. 1BCCh. 5.3 - Prob. 1CCCh. 5.3 - Prob. 2BCCh. 5.3 - Prob. 2CC
Ch. 5.3 - Prob. 1TYKCh. 5.3 - Prob. 2TYKCh. 5.4 - Prob. 1CCCh. 5.4 - Prob. 1TYKCh. 5.4 - Prob. 2TYKCh. 5.5 - Prob. 1BCCh. 5.5 - Prob. 1TYKCh. 5.6 - Prob. 1CCCh. 5.6 - A form of endocytosis that involves the formation...Ch. 5.7 - Prob. 1CCCh. 5.7 - Prob. 2CCCh. 5.7 - Prob. 1BCCh. 5.7 - Anchoring junctions that adhere adjacent animal...Ch. 5 - Which of the following statements best describes...Ch. 5 - Which of the following events in a biological...Ch. 5 - Prob. 3TYCh. 5 - Carbohydrates of the plasma membrane are bonded to...Ch. 5 - Which of the following movements would not be an...Ch. 5 - Prob. 6TYCh. 5 - Prob. 7TYCh. 5 - What features of a membrane are a major...Ch. 5 - Prob. 9TYCh. 5 - Large particles can be brought into the cell by...Ch. 5 - With your textbook closed, draw and describe the...Ch. 5 - Describe two different ways that integral membrane...Ch. 5 - A principle of biology is that living organisms...Ch. 5 - Prob. 1CBQCh. 5 - With regard to bringing solutes into the 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_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_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_forward
- Which of the following is not a component of the endomembrane system? a. mitochondrion b. Golgi apparatus c. endoplasmic reticulum d. Iysosomearrow_forwardWhich of the following provides the most accurate description so far of a cell membrane? The cell membrane is composed of a pure lipid bilayer that is covered entirely by proteins. The cell membrane is composed purely of a lipid bilayer that formed from lipid molecules that have aggregated. The cell membrane is composed of a lipid bilayer with membrane proteins moving freely in the lipid bilayer. O The cell membrane is composed of globular proteins that are covered by the lipid bilayer.arrow_forwardWhich of the following is NOT a function of the extracellular matrix? It provides mechanical support to tissues Preventing cells from shrinking in a hypertonic environment It helps organize cells within tissues It helps cells function properly within the tissue It contributes to the process of signaling to cells when they should dividearrow_forward
- Which of the following statements about a typical plasma membrane is correct? The hydrophilic interior of the membrane is composed primarily of the fatty acid tails of the phospholipids. Carbohydrates on the membrane surface are important in determing the overall bilayer structure. Phospholipids are the primary component that determines which solute can cross the plasma membrane. The two sides of the plasma membrane have different lipid and protein composition. The plasma membrane is covalently linked network of phospholipids and proteins that controls the movement of solutes into and out of a cell.arrow_forwardWhich of the following would not be a constituent of a plasma membrane? glycolipids glycoproteins O phospholipids messenger RNAarrow_forwardWhich of the following statements correctly describes gap junctions and plasmodesmata? These linkages connect the cytoskeletons of adjacent cells. They both are present in animal cells. They facilitate the movement of cells over connective tissue. They are large pores linking adjacent cells.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_forwardWhich of the following is the primary component of the plasma membrane? Cholesterol Glycolipids Phospholipids Integral proteinsarrow_forwardWhich of the following statements is NOT TRUE about membrane transport? to facilitate movement of ions and molecules across membranes. to move food, water, and wastes around, into, and out of a cell. to get rid of duplicated organelles in a cell. to transport proteins, lipids, and other molecules synthesized by the cell.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