Anatomy & Physiology
1st Edition
ISBN: 9781938168130
Author: Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble
Publisher: OpenStax College
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Textbook Question
Chapter 3, Problem 30CTQ
What materials can easily diffuse through the lipid bilayer, and why?
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Chapter 3 Solutions
Anatomy & Physiology
Ch. 3 - Visit this link...Ch. 3 - Watch this video...Ch. 3 - Watch this video...Ch. 3 - Watch this video...Ch. 3 - Visit this link...Ch. 3 - Because they are embedded within the membrane, ion...Ch. 3 - The diffusion of substances within a solution...Ch. 3 - Ion pumps and phagocytosis are both examples of...Ch. 3 - Choose the answer that best completes the...Ch. 3 - Choose the term that best completes the following...
Ch. 3 - The rough ER has its name due to what associated...Ch. 3 - Which of the following is a function of the rough...Ch. 3 - Which of the following is a feature common to all...Ch. 3 - Which of the following organelles produces large...Ch. 3 - The nucleus and mitochondria share which of the...Ch. 3 - Which of the following structures could be found...Ch. 3 - Which of the following sequences on a DNA molecule...Ch. 3 - Place the following structures in order from least...Ch. 3 - Which of the following is part of the elongation...Ch. 3 - Which of the following is not a difference between...Ch. 3 - Transcription and translation take place in the...Ch. 3 - How many letters of an RNA molecule, in sequence,...Ch. 3 - Which of the following is not made out of RNA? the...Ch. 3 - Which of the following phases is characterized by...Ch. 3 - A mutation in the gene for a cyclin protein might...Ch. 3 - What is a primary function of tumor suppressor...Ch. 3 - Arrange the following terms in order of increasing...Ch. 3 - Which type of stem cell gives rise to red and...Ch. 3 - What multipotent stem cells from children...Ch. 3 - What materials can easily diffuse through the...Ch. 3 - Why is receptor-mediated endocytosis said to be...Ch. 3 - What do osmosis, diffusion, filtration, and the...Ch. 3 - Explain why the structure of the ER, mitochondria,...Ch. 3 - Compare and contrast lysosomes with peroxisomes:...Ch. 3 - Explain in your own words why DNA replication is...Ch. 3 - Why is it important that DNA replication take...Ch. 3 - Briefly explain the similarities between...Ch. 3 - Contrast transcription and translation. Name at...Ch. 3 - What would happen if anaphase proceeded even...Ch. 3 - What are cyclins and cyclin-dependent kinases, and...Ch. 3 - Explain how a transcription factor ultimately...Ch. 3 - Which of the following structures could be found...
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- Which portion of the phosphatidylinositol molecule contributes to (a) fluidity of the bilayer and (b) the surface polarity of the bilayer?arrow_forwardHow does the phospholipid bilayer of a liposome differ from the phospholipid bilayer of the plasma membrane of a cell? (a) The phospholipid bilayer of a liposome contains only phospholipids, without the proteins that are embedded in the plasma membrane of a cell. (b) The phospholipid bilayer of a liposome contains two bilayers of phospholipid molecules, whereas the plasma membrane of a cell contains only one. (c) The phospholipid bilayer of a liposome completely envelops the liposome, whereas the plasma membrane of a cell does not completely envelop the cell. (d) The phospholipid molecules in the phospholipid bilayer of a liposome are oriented with the lipid ends on the outside of the bilayer and the phosphate groups on the inside.arrow_forwardWhat is the structure of a phospholipid present in the phospholipid bilayer?arrow_forward
- Although both faces of a biomembrane are composed of the same general types of macromolecules, principally lipids and proteins, the two faces of the bilayer are not identical. What accounts for the asymmetry between the two faces?arrow_forwardIn general terms, what would you expect to be different about the permeability of a lipid bilayer made of phospholipids (modern cells) and a bilayer made of fatty acids (protocell)?arrow_forwardHow do proteins and the lipid bilayer interact with each other in membranes?arrow_forward
- Do you think sodium (Na+) or chloride (Cl-) ions can diffuse directly through the lipid bilayer? How about water molecules? Explain.arrow_forwardDraw the basic structure of a lipid bilayer and label thehydrophilic and hydrophobic regions. Why is the cytoplasmicmembrane a good permeability barrier?arrow_forwardWhat materials can easily diffuse through the lipid bilayer, and why? What is receptor-mediated endocytosis said to be more selective than phagocytosis or pinocytosis? What do osmosis, diffusion, filtration, and the movement of ions away from like charges all have in common? In what do they differ?arrow_forward
- What is the energetic driving force for the formation of phospholipid bilayers?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_forwardName: b) Cellular membranes are generally found in environments that contain lots of water. Draw a diagram of what the phospholipid bilayer of a plasma membrane would look like if it were placed in a hydrophobic environment. (**Note that you only have to draw the phospholipid bilayer, you don't have to draw the other major components again as you did in part a) c) What part or parts of a cellular membrane play(s) a role in determining the fluidity of the membrane? 8) Indicate which of the five major types of membrane protein (adhesion, enzymatic, recogniti receptor, and transport) is most likely to be involved in each of the situations described below: a) An oncologist wants to study the cells from a certain tumour that has been surgically remov from a patient. However, she must first treat the tumour with a solution affects a membrane protein on the tumour cells. Because of the effect of the solution on the membrane protein, the tumour tissue falls apart into individual cells. Type of…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