Anatomy & Physiology: An Integrative Approach
2nd Edition
ISBN: 9780078024283
Author: Michael McKinley Dr., Valerie O'Loughlin, Theresa Bidle
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 4.2, Problem 4WDYL
What cellular structure is responsible for forming the boundary of a cell and maintaining its integrity?
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Why is the cell membrane not an absolute barrier between the cytoplasm and the external environment?
Which component of the plasma membrane is primarily responsible for forming a physical barrier between the cell’s internal and external environments?
Which of the following describes the plasma membrane?
1) phospholipid bilayer surrounding the cell
2) a membrane composed of tiny shelves or cristae
3) single-layered membrane that surrounds the nucleus of the cell
4) double layer of protein enclosing the plasma
Chapter 4 Solutions
Anatomy & Physiology: An Integrative Approach
Ch. 4.1 - What is the advantage of using a TEM instead of an...Ch. 4.1 - Prob. 2WDYLCh. 4.1 - What are the three main structural features of a...Ch. 4.2 - What cellular structure is responsible for forming...Ch. 4.2 - How do lipids maintain the basic physical barrier...Ch. 4.2 - What type of plasma membrane protein provides the...Ch. 4.3 - How does O2 diffuse into a cell and CO2 diffuse...Ch. 4.3 - Compare and contrast how an ion is transported...Ch. 4.3 - Define osmosis.Ch. 4.3 - What occurs to the tonicity of a cell when it is...
Ch. 4.3 - What general conclusion can you make concerning...Ch. 4.3 - What transport process involved in the movement of...Ch. 4.3 - Engulfing of a bacterium by a white blood cell...Ch. 4.4 - Define a resting membrane potential.Ch. 4.4 - Explain how the resting membrane potential is...Ch. 4.5 - What are some examples of how cells communicate...Ch. 4.5 - How do action of enzymatic receptors and G...Ch. 4.6 - Describe the general structure of both the...Ch. 4.6 - Lysosomes and peroxisomes are both small...Ch. 4.6 - Which non-membrane-bound organelle functions (a)...Ch. 4.6 - Which cellular surface structure functions in (a)...Ch. 4.6 - Which cellular junction (a) provides resistance to...Ch. 4.7 - What is the function of nuclear pores within the...Ch. 4.7 - What is the function of the nucleolus?Ch. 4.7 - Describe the structural relationship of DNA and...Ch. 4.8 - What are the three major structures required for...Ch. 4.8 - What is a codon and an anticodon?Ch. 4.8 - How is mRNA attached to ribosomes and translated...Ch. 4.8 - The genetic code of DNA is the specific...Ch. 4.9 - How is chromatin distinguished from a chromosome?Ch. 4.9 - Describe the process of DNA replication that...Ch. 4.9 - What are the events that occur during the mitotic...Ch. 4.10 - What are the specific changes that occur to DNA...Ch. 4 - All of the following general functions are carried...Ch. 4 - _____ 2. The molecule that is responsible for most...Ch. 4 - Prob. 3DYKBCh. 4 - Prob. 4DYKBCh. 4 - Prob. 5DYKBCh. 4 - Prob. 6DYKBCh. 4 - Prob. 7DYKBCh. 4 - Prob. 8DYKBCh. 4 - _____ 9. During this stage of mitosis, the...Ch. 4 - _____ 10. Erythrocytes do not have a nucleus. In...Ch. 4 - Prob. 11DYKBCh. 4 - Prob. 12DYKBCh. 4 - Describe the passive processes of membrane...Ch. 4 - Describe the active processes of membrane...Ch. 4 - List the membrane-bound structures, and describe...Ch. 4 - Prob. 16DYKBCh. 4 - Prob. 17DYKBCh. 4 - Prob. 18DYKBCh. 4 - Prob. 19DYKBCh. 4 - Explain the processes that occur in the different...Ch. 4 - Michael was born with Tay-Sachs disease. Which of...Ch. 4 - Prob. 2CALCh. 4 - Prob. 3CALCh. 4 - Prob. 4CALCh. 4 - Prob. 5CALCh. 4 - Prob. 1CSLCh. 4 - Prob. 2CSLCh. 4 - Prob. 3CSL
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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_forwardWhy are membranes so critical to cell function?arrow_forwardWhat molecules primarily make up the membrane of the cell and how do these molecules contribute to the overall function of the cell membrane?arrow_forward
- What TWO organelles are used in cell locomotion (movement)?arrow_forwardWhich of the following statements describes the function of plasma membranes? I. define boundaries of the cell and its organelles and act as permeability barriers II. sites for specific biological and chemical functions III. possess transport proteins that regulate the movement of substances into and out of the cell and its organelles IV. contain protein molecules that act as receptors to detect external signals V. provide mechanisms for cell-to-cell contact, adhesion, and communicationarrow_forwardwhich of the following cellular behavior does not directly depend on the cell membrane/ a)cell-cell communication b)DNA replication c)Cell adhesion d)cell sorting e)Cell signalingarrow_forward
- What are the units that constitute the unit of the cell? Why are they not classified under biological organization?What will likely happen to the other units (higher and lower) if one unit from the hierarchy is removed or suffers irreversible damage? What can be an example for this?arrow_forwardWhat types of substances diffuse most readily through a cell membrane?arrow_forwardWhat are the main components of the cell?arrow_forward
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