Biology Today and Tomorrow without Physiology (MindTap Course List)
5th Edition
ISBN: 9781305117396
Author: Cecie Starr, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 3, Problem 13SQ
Summary Introduction
Introduction: The intercellular bridge is also called cell junction and it is a structure that occurs inside the tissues of certain multicellular organisms. For example, in animals. A multiprotein complex is present in the cell junction that gives contact between a cell or neighbouring cells and extracellular matrix. The examples of cell junction are gap junction or adhering junction, tight junction, and plasmodesmata of plants.
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Chapter 3 Solutions
Biology Today and Tomorrow without Physiology (MindTap Course List)
Ch. 3 - Prob. 1FIOCh. 3 - Organelles and Cystic Fibrosis A plasma membrane...Ch. 3 - Organelles and Cystic Fibrosis A plasma membrane...Ch. 3 - Prob. 3DIDCh. 3 - All cells have these three things in common: a....Ch. 3 - Unlike eukaryotic cells, prokaryotic cells...Ch. 3 - Every cell is descended from another cell. This...Ch. 3 - Prob. 4SQCh. 3 - True or false? Some protists start out life with...Ch. 3 - Cell membranes consist mainly of ________ and...
Ch. 3 - Prob. 7SQCh. 3 - In a lipid bilayer, the of all the lipid molecules...Ch. 3 - The main function of the endomembrane system is...Ch. 3 - Enzymes contained in __________ break down...Ch. 3 - Put the following structures in order according to...Ch. 3 - No animal cell has a ______. a. plasma membrane b....Ch. 3 - Prob. 13SQCh. 3 - Prob. 14SQCh. 3 - Match each cell component with its main function.Ch. 3 - In a classic episode of Star Trek, a gigantic...Ch. 3 - Prob. 2CTCh. 3 - What type of micrograph is shown below? Is the...
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- Which of the following is not a function of proteins present in theplasma membrane?a. Proteins assist the passage of materials into the cell.b. Proteins interact with and recognize other cells.c. Proteins bind with specific hormones.d. Proteins carry out specific metabolic reactions.e. Proteins produce lipid molecules.arrow_forward_____keep fluid from leaking between cells. a. Tight junctions c. Gap junctions b. Adhering junctions d. Fibroblastsarrow_forward________ prevent fluid from leaking between adjacent cells. a. Gap junctions b. Desmosomes c. Tight junctionsarrow_forward
- Which cell junctions form junctions between cells connected to the cytoskeleton? a. tight junctionsb. hemidesmosomesc. desmosomesd. focal adhesionse. gap junctionsarrow_forwardThe plasma membrane of a cell is composed of a ________ ________ and regulates molecular passage via _______ ________. a. potassium bilayer, unidirectional diffusion b. phospholipid bilayer, selective permeability c. phospholipid bilayer, random permeability d. protein wall, osmotic pumpsarrow_forwardFocal adhesions ________. a. have been implicated in cell locomotion b. contain integrins that develop transient interactions with the extracellular matrix c. collect information about the chemical properties of the extracellular environment d. transmit information to the cell interior that may lead to changes in cell adhesion, proliferation or survival e. All of these are correct.arrow_forward
- Which of the following cell organelles contains RNA? a. Mitochondria b. Plastids c. Lysosomes d. Ribosomesarrow_forwardActin is found in _______. Microtubules are found in ________ Select one: a. mitotic spindles and microvilli, flagella and cilia b. microvilli and flagella, lamellipodium and cilia c. microvilli and lamellipodium, flagella and cilia d. flagella and lamellipodium, flagella and desmosomes e. flagella and cilia, microvilli and lamellipodium Clear my choicearrow_forwardChoose answer of the following Which of the following junctions allows for cytoplasm-to-cytoplasmcommunication between cells?a. adhesion junctionsb. tight junctionsc. gap junctionsd. None of these are correct.arrow_forward
- Match the description with the appropriate cell junction type. Answers can be used more than once. |- v connects cells to cells & cells to their cytoskeleton A. gap junction & plasmodesmata vjunctions that would allow for fast movement of ions between cells B. desmosomes & adherins |- v limits mobility of molecules in the extracellular space C. tight junctions |- v allows for direct cytoplasmic connections between cellsarrow_forward1. adjacent cells. a. Gap junctions prevent fluid from leaking between b. Desmosomes c. Tight junctionsarrow_forwardActin is found in Microtubules are found in Select one: a. microvilli and flagella, lamellipodium and cilia Ob. flagella and lamellipodium, flagella and desmosomes c. mitotic spindles and microvilli, flagella and cilia d. microvilli and lamellipodium, flagella and cilia e. flagella and cilia, microvilli and lamellípodium ycle HW due Jump to. O Next page cancer stem cellsarrow_forward
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