Principles of Anatomy and Physiology
15th Edition
ISBN: 9781119329398
Author: Gerard J Tortora, Bryan Derrickson
Publisher: John Wiley & Sons Inc
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Chapter 3, Problem 5CP
How does cholesterol affect membrane fluidity?
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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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- What is nucleus acid?arrow_forward(a) Describe permeability of a phospholipid bilayer for the following molecules. Use terms: non-permeable, high permeability, medium permeability. N2, O2, Na+, glucose, sucrose (disaccharide), glycogen, H2O, KCl, K+, Mg2+, glycine and protein (b) Discuss the role of carbonic anhydrase in CO2 transport. (c) Discuss the cause of ‘cold denaturation’ of proteins.arrow_forwardHow does the lipid solubility affect the permeability of solute through biological membranes?arrow_forward
- What does the term intracellular fluid refer to?arrow_forwardA phospholipid bilayer with equal amounts of saturated and unsaturated fatty acids displays a specific permeability to glucose. What effect will increasing the proportion of unsaturated fatty acids in the bilayer have on the membrane's permeability to glucose?arrow_forwardWhich of the following phospholipids islocalized to a greater extent in the outerleaflet of the membrane lipid bilayer? (A) Choline phosphoglycerides. (B)Ethanolamine phosphoglycerides (C)Inositol phosphoglycerides (D) Serine phosphoglyceridesarrow_forward
- What is Membrane Junctions?arrow_forwardOf the following cell membrane lipids, which one 1) prefers to reside in the inner leaflet (or inner half) of the membrane bilayer, AND 2) is not zwitterionic at physiological pH (7.4)? 1. SM (sphingomyelin) is inner-leaflet & NOT zwitterionic 2. PC (phosphatidylcholine) is inner-leaflet & NOT zwitterionic 3. PS (phosphatidylserine) is inner-leaflet & NOT zwitterionic 4. 2 of these 3 responses are correctarrow_forwardWhich are several subfamilies of plasma membrane G proteins?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