Principles of Anatomy and Physiology
15th Edition
ISBN: 9781119329398
Author: Gerard J Tortora, Bryan Derrickson
Publisher: John Wiley & Sons Inc
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Textbook Question
Chapter 3, Problem 4CP
“The proteins present in a plasma membrane determine the functions that a membrane can perform.” Is this statement true or false? Explain your answer.
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Describe, with a picture, the asymmetry of the plasma membrane including details of the important points
List and describe the functions of plasma membrane proteins.
Would substances be able to pass through the plasma membrane if the phospholipid tails of the plasma membrane were both saturated fatty acids?
No, saturated fatty acids would cause the plasma membrane to loss the fluidity it has by having some unsaturated fatty acids present.
No, saturated fatty acids would cause the plasma membrane to be more fluid.
Yes, saturated fatty acids would cause the plasma membrane to be a solid versus liquid.
Answer not listed.
Chapter 3 Solutions
Principles of Anatomy and Physiology
Ch. 3 - Prob. 1CPCh. 3 - Checkpoint 2:
How do hydrophobic and hydrophilic...Ch. 3 - What substances can and cannot diffuse through the...Ch. 3 - “The proteins present in a plasma membrane...Ch. 3 - Checkpoint 5:
How does cholesterol affect membrane...Ch. 3 - Checkpoint 6:
Why are membranes said to have...Ch. 3 - Checkpoint 7:
What factors contribute to an...Ch. 3 - Checkpoint 8:
What factors can increase the rate...Ch. 3 - Checkpoint 9:
How does simple diffusion compare...Ch. 3 - Prob. 10CP
Ch. 3 - Distinguish among isotonic, hypotonic, and...Ch. 3 - What is the key difference between passive and...Ch. 3 - Checkpoint 13:
How do symporters and antiporters...Ch. 3 - What are the sources of cellular energy for active...Ch. 3 - Checkpoint 15:
In what ways are endocytosis and...Ch. 3 - What are some of the chemicals present in cytosol?Ch. 3 - What is the function of cytosol?Ch. 3 - Define an organelle.Ch. 3 - Which organelles are surrounded by a membrane and...Ch. 3 - Checkpoint 20:
Which organelles contribute to...Ch. 3 - Checkpoint 21:
What happens on the cristae and in...Ch. 3 - Checkpoint 22:
How do large particles enter and...Ch. 3 - Where are ribosomes produced?Ch. 3 - Checkpoint 24:
How is DNA packed in the...Ch. 3 - Checkpoint 25:
What is meant by the term gene...Ch. 3 - What is the difference between transcription and...Ch. 3 - Distinguish between somatic and reproductive cell...Ch. 3 - What is the significance of interphase?Ch. 3 - Outline the major events of each stage of the...Ch. 3 - Prob. 30CPCh. 3 - How are haploid and diploid cells different?Ch. 3 - What axe homologous chromosomes?Ch. 3 - Prob. 33CPCh. 3 - What is one reason that some tissues become...Ch. 3 - CTQ 1: Mucin is a protein present in saliva and...Ch. 3 - CTQ 2: Sam does not consume alcohol, whereas his...Ch. 3 - CTQ 3: Marathon runners can become dehydrated due...
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- 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_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
- List six types of proteins found in the plasma membrane.arrow_forwardMark the following statements about the plasma membrane as true or false. If a statement is false, correct it to make a true statement. a. _____ Integral membrane proteins generally span the width of the plasma membrane, whereas peripheral proteins are found on only one side of the membrane. b. _____ Cholesterol provides the plasma membrane with stability in the face of changing ion concentrations . c. _____ Membrane cholesterol is vitally important for cell-cell recognition. d. _____ Membrane proteins often function as channels or carriers. e. _____ The overall structure of the plasma membrane is a mosaic with the components locked tightly in placearrow_forwardFor plasma membrane, what macromolecules (carbohydrates, proteins, lipids, or necleic acids contribute to the organelle functionarrow_forward
- Describe chemical composition of plasma membrane.arrow_forwardDescribe the structure and the function of the plasma membrane.arrow_forwardWhat is unique about plasma membrane? Why is it advantageous for the plasma membrane to be fluid in nature? How does the sodium-potassium pump contribute to the net negative charge of the interior of the cell? In medicine, why is it important to administer only isotonic intravenous solutions to patients? Example of isotonic IV fluids are normal saline and lactated Ringer’s solution. Potassium is a necessary nutrient in order to maintain the function of our cells. What would occur to a person that is deficient in potassium?arrow_forward
- List five functions of membrane proteins?arrow_forwardState the functions and importance of each of the following cell membrane components. 1. Phospholipid 2. Sphingolipid 3. Glycoprotein 4. Glycolipid 5. Peripheral Protein 6. Integral Protein 7. Cholesterol 8. Cytoskeleton Filamentsarrow_forwardWhat components of the plasma membrane might this molecule interact with?arrow_forward
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