EBK HUMAN PHYSIOLOGY
7th Edition
ISBN: 9780133983401
Author: Silverthorn
Publisher: YUZU
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Textbook Question
Chapter 3, Problem 2RQ
In 1972, Singer and Nicolson proposed the fluid mosaic model of the cell membrane. According to this model, the membrane is composed of ____ a bilayer of and a variety of embedded ____, with _____ on the extracellular surface.
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The cytoplasm of a certain cell is composed of a
solution that is 98% water, 2% solutes. Consider the
solution shown in the beaker in this picture:
FOOE
OOS
Foor
solution.
[Select]
Cytoplasm is 98% water,
2% solutes.
The solution in the beaker would be considered
when compared to
[Select]
The plasma membrane is
impermeable to solutes.
Beaker solution
is 98% water,
2% solutes
the cell.
We would expect that the cell would
[Select]
if it was placed in the
would account for
whatever changes might occur to the volume of the
cytoplasm of the cell when it is placed in the solution.
Golden Line:Rationale: (Tell me why the authors put this diagram here. What do you think is its main purpose for being in our textbook?)Personal Connection:Question:
Compare and contrast the four basically different ways that a substance can move across the plasma membrane. Present it in a matrix.
Chapter 3 Solutions
EBK HUMAN PHYSIOLOGY
Ch. 3 - Name three types of lipids found in cell...Ch. 3 - Describe three types of membrane proteins and how...Ch. 3 - Why do phospholipids in cell membranes form a...Ch. 3 - How many phospholipid bilayers will a substance...Ch. 3 - Name the three sizes of cytoplasmic protein...Ch. 3 - How would the absence of a flagellum affect a...Ch. 3 - Prob. 7CCCh. 3 - Prob. 8CCCh. 3 - What is the function of motor proteins?Ch. 3 - What distinguishes organelles from inclusions?
Ch. 3 - Prob. 11CCCh. 3 - Prob. 12CCCh. 3 - Prob. 13CCCh. 3 - Prob. 14CCCh. 3 - Examining tissue from a previously unknown species...Ch. 3 - Prob. 16CCCh. 3 - Prob. 17CCCh. 3 - Prob. 18CCCh. 3 - Prob. 19CCCh. 3 - Name two properties that distinguish endocrine...Ch. 3 - The basal lamina of epithelium contains the...Ch. 3 - You look at a tissue under a microscope and see a...Ch. 3 - Prob. 23CCCh. 3 - What is the distinguishing characteristic of...Ch. 3 - Prob. 25CCCh. 3 - Name six types of connective tissues.Ch. 3 - Prob. 27CCCh. 3 - Why does torn cartilage heal more slowly than a...Ch. 3 - Prob. 29CCCh. 3 - Prob. 1RQCh. 3 - In 1972, Singer and Nicolson proposed the fluid...Ch. 3 - Prob. 3RQCh. 3 - Prob. 4RQCh. 3 - Define cytoskeleton. List five functions of the...Ch. 3 - Match each term with the description that fits it...Ch. 3 - Prob. 7RQCh. 3 - Match each organelle with its function:Ch. 3 - Prob. 9RQCh. 3 - Prob. 10RQCh. 3 - List the four major tissue types. Give an example...Ch. 3 - Prob. 12RQCh. 3 - Prob. 13RQCh. 3 - Prob. 14RQCh. 3 - Prob. 15RQCh. 3 - Prob. 16RQCh. 3 - Which would have more rough endoplasmic reticulum:...Ch. 3 - A number of organelles can be considered vesicles....Ch. 3 - Prob. 19RQCh. 3 - Prob. 20RQCh. 3 - Prob. 21RQCh. 3 - Prob. 22RQCh. 3 - Explain how inserting cholesterol into the...Ch. 3 - Prob. 24RQCh. 3 - Prob. 26RQCh. 3 - Prob. 27RQCh. 3 - Prob. 28RQCh. 3 - Prob. 29RQCh. 3 - One result of cigarette smoking is paralysis of...Ch. 3 - Prob. 31RQCh. 3 - Prob. 32RQ
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- Why is it advantageous for the cell membrane to be fluid in nature?arrow_forwardThe 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_forwardWhich of the following methods of transport is being used to transfer the substance into the cell in the accompanying graph? a. diffusion down a concentration gradient b. osmosis c. facilitated diffusion d. active transport e. vesicular transport f. It is impossible to tell with the information provided.arrow_forward
- 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_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_forwardWhich of the following is not a component of the endomembrane system? a. mitochondrion b. Golgi apparatus c. endoplasmic reticulum d. Iysosomearrow_forward
- Assign a function(s) to the following cellular structures: a. plasma membrane b. mitochondrion c. nucleus d. ribosomearrow_forwardDescribe the general functions of the following in a eukaryotic cell: the plasma membrane, cytoplasm, DNA, ribosomes, organelles, and cytoskeleton.arrow_forwardNo animal cell has a ______. a. plasma membrane b. flagellum c. lysosome d. cell wallarrow_forward
- 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 plasmaarrow_forwardWould 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.arrow_forwardEach diagram shows a cell with a semipermeable membrane submerged in a solution. Solutions contain different amounts of solutes (glucose, sodium). The membrane is NOT permeable to glucose or sodium.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