A&P V.1(BIO 203)-W/CONNECT PKG
8th Edition
ISBN: 9781309097274
Author: SALADIN
Publisher: MCG/CREATE
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Question
Chapter 5.5, Problem 2AYLO
Summary Introduction
To discuss:
The structures and functions of tight junctions, desmosomes, hemidesmosomes, and gap junctions.
Introduction:
Humans and animals are complex organisms made up of collection of cells that perform a specific function. These collections of cells are often called tissues. Tissues arise from an embryonic origin and perform a specific physiological and structural role in an organ.
Transportation is an important function of cells that allow the nutrients to be transported across the plasma membrane of cells. Cell junctions are important factors in tissue cells that allow the transport of the nutrients and wastes from the blood streams.
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1. When considering tight junctions, adherens junctions, and desmosomes:
a. Which ones do not help in resisting mechanical stress and holding cell shape? Why not?
b. Considering how the mechanical junctions are placed in the plasma membrane, why don’t they provide a truly sealed barrier?
4. The cells making up the epithelial linings of organs that contain liquid, e.g., the bladder and intestines, could be expected to be held together via many ______ in order to provide a waterproof lining.
A. tight junctions
B. gap junctions
C. phospholipids
D. intermediate filaments
Chapter 5 Solutions
A&P V.1(BIO 203)-W/CONNECT PKG
Ch. 5.1 - Classify each of the following into one of the...Ch. 5.1 - What are tissues composed of in addition to cells?Ch. 5.1 - Prob. 3BYGOCh. 5.1 - Prob. 4BYGOCh. 5.1 - Two names for the branch of biology concerned with...Ch. 5.1 - Prob. 2AYLOCh. 5.1 - The roles of cells, matrix, fibers, and ground...Ch. 5.1 - Primary germ layers of the embryo and their...Ch. 5.1 - Prob. 5AYLOCh. 5.2 - Distinguish between simple and stratified...
Ch. 5.2 - Prob. 6BYGOCh. 5.2 - Prob. 7BYGOCh. 5.2 - Prob. 8BYGOCh. 5.2 - Prob. 1AYLOCh. 5.2 - Prob. 2AYLOCh. 5.2 - 5.2 Epithelial Tissue 3. Defining characteristics...Ch. 5.2 - Prob. 4AYLOCh. 5.2 - Prob. 5AYLOCh. 5.2 - Prob. 6AYLOCh. 5.2 - Prob. 7AYLOCh. 5.2 - Prob. 8AYLOCh. 5.2 - Prob. 9AYLOCh. 5.3 - What features do most or all connective tissues...Ch. 5.3 - Prob. 10BYGOCh. 5.3 - Prob. 11BYGOCh. 5.3 - Prob. 12BYGOCh. 5.3 - Discuss the difference between dense regular and...Ch. 5.3 - Prob. 14BYGOCh. 5.3 - Prob. 15BYGOCh. 5.3 - Prob. 1AYLOCh. 5.3 - Prob. 2AYLOCh. 5.3 - Prob. 3AYLOCh. 5.3 - Prob. 4AYLOCh. 5.3 - Prob. 5AYLOCh. 5.3 - 5.3 Connective Tissue 6. The appearance,...Ch. 5.3 - Prob. 7AYLOCh. 5.3 - Prob. 8AYLOCh. 5.3 - Prob. 9AYLOCh. 5.3 - Prob. 10AYLOCh. 5.3 - 5.3 Connective Tissue 11. Why blood is classified...Ch. 5.4 - Prob. 16BYGOCh. 5.4 - Prob. 17BYGOCh. 5.4 - Prob. 18BYGOCh. 5.4 - Prob. 1AYLOCh. 5.4 - Prob. 2AYLOCh. 5.4 - Prob. 3AYLOCh. 5.4 - 5.4 Nervous and Muscular TissuesExcitable Tissues...Ch. 5.4 - Prob. 5AYLOCh. 5.5 - Prob. 19BYGOCh. 5.5 - Prob. 20BYGOCh. 5.5 - Prob. 21BYGOCh. 5.5 - Prob. 22BYGOCh. 5.5 - Prob. 23BYGOCh. 5.5 - Prob. 1AYLOCh. 5.5 - Prob. 2AYLOCh. 5.5 - Prob. 3AYLOCh. 5.5 - Prob. 4AYLOCh. 5.5 - Prob. 5AYLOCh. 5.5 - Prob. 6AYLOCh. 5.5 - Prob. 7AYLOCh. 5.5 - 5.5 Cell Junctions, Glands, and Membranes 8....Ch. 5.5 - 5.5 Cell Junctions, Glands, and Membranes 9....Ch. 5.5 - Prob. 10AYLOCh. 5.6 - Distinguish between differentiation and...Ch. 5.6 - Prob. 25BYGOCh. 5.6 - Prob. 26BYGOCh. 5.6 - Distinguish between regeneration and fibrosis....Ch. 5.6 - Prob. 1AYLOCh. 5.6 - Prob. 2AYLOCh. 5.6 - 5.6 Tissue Growth, Development, Repair, and...Ch. 5.6 - Prob. 4AYLOCh. 5.6 - Prob. 5AYLOCh. 5.6 - Prob. 6AYLOCh. 5.6 - Prob. 7AYLOCh. 5.6 - 5.6 Tissue Growth, Development, Repair, and...Ch. 5 - Transitional epithelium is found is a. the urinary...Ch. 5 - Prob. 2TYRCh. 5 - Which of these is a primary germ layer? a....Ch. 5 - A seminiferous tubule of the testis is lined with...Ch. 5 - Prob. 5TYRCh. 5 - A fixative serves to a. stop tissue decay. b....Ch. 5 - Prob. 7TYRCh. 5 - Prob. 8TYRCh. 5 - Prob. 9TYRCh. 5 - Prob. 10TYRCh. 5 - Prob. 11TYRCh. 5 - Prob. 12TYRCh. 5 - Prob. 13TYRCh. 5 - Prob. 14TYRCh. 5 - Tendons and ligaments are made mainly of the...Ch. 5 - Prob. 16TYRCh. 5 - Prob. 17TYRCh. 5 - Fibers and ground substance make up the ______ of...Ch. 5 - A/An _______ adult stem cell can differentiate...Ch. 5 - Prob. 20TYRCh. 5 - Prob. 1BYMVCh. 5 - Prob. 2BYMVCh. 5 - State a meaning of each word element, and give a...Ch. 5 - Prob. 4BYMVCh. 5 - Prob. 5BYMVCh. 5 - State a meaning of each word element, and give a...Ch. 5 - Prob. 7BYMVCh. 5 - Prob. 8BYMVCh. 5 - Prob. 9BYMVCh. 5 - Prob. 10BYMVCh. 5 - The esophagus is protected from abrasion by a...Ch. 5 - Prob. 2WWTSCh. 5 - Prob. 3WWTSCh. 5 - Prob. 4WWTSCh. 5 - Prob. 5WWTSCh. 5 - Prob. 6WWTSCh. 5 - Prob. 7WWTSCh. 5 - Prob. 8WWTSCh. 5 - Prob. 9WWTSCh. 5 - Prob. 10WWTSCh. 5 - A woman in labor is often told to push. In doing...Ch. 5 - A major tenet of the cell theory is that all...Ch. 5 - Prob. 3TYCCh. 5 - The epithelium of the respiratory tract is mostly...Ch. 5 - Which do you think would heal faster, cartilage or...
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- Under the microscope, a tissue specimen shows cells located in spaces scattered in a transparent background. This is probably ________. loose connective tissue a tendon bone hyaline cartilagearrow_forwardWhich of the following have the ability to disassemble and reform quickly? microfilaments and intermediate filaments microfilaments and microtubules intermediate filaments and microtubules only intermediate filamentsarrow_forwardWhich of the following do not play a role in intracellular movement? microfilaments and intermediate filaments microfilaments and microtubules intermediate filaments and microtubules only intermediate filamentsarrow_forward
- Which of the following are glycoproteins whose function is affected by the common cold birus? a. plasmodesmata b. desmosomes c. cell adhesion molecules d. flagella e. ciliaarrow_forwardWhich of the following is surrounded by two phospholipid bilayers? the ribosomes the vesicles the cytoplasm the nucleoplasmarrow_forwardThe rough ER has its name due to what associated structures? Golgi apparatus ribosomes lysosomes proteinsarrow_forward
- The nucleus and mitochondria share which of the following features? protein-lined membrane pores a double cell membrane the synthesis of ribosomes the production of cellular energyarrow_forwardWhich of the following organelles produces large quantities of ATP when both glucose and oxygen are available to the cell? mitochondria peroxisomes lysosomes ERarrow_forwardWhich of the following are only in plant cells? gap junctions desmosomes plasmodesmata tight junctionsarrow_forward
- Figure 4.8 If the nucleolus were not able to carry out its function, what other cellular organelles would be affected?arrow_forwardConnective tissue is made of which three essential components? cells, ground substance, and carbohydrate fibers cells, ground substance, and protein fibers collagen, ground substance, and protein fibers matrix, ground substance, and fluidarrow_forwardThe main function of the endomembrane system is: a. building and modifying proteins and lipids b. isolating DNA from toxic substances c. secreting extracellular matrix onto the cell surface d. producing ATP by aerobic respirationarrow_forward
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