EBK BIOLOGY TODAY AND TOMORROW WITHOUT
5th Edition
ISBN: 8220100557187
Author: STARR
Publisher: CENGAGE L
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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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Suppose you are to describe structure 3, which of the following best describes
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Figure 4. Cell Modification
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2.
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Cell junctions called connect the cytoplasm of adjacent plant cells. a. plasmodesmata d. adhesion proteins b. adhering junctions e. chloroplasts c. tight junctions f. gap junctions
Which of the following junctions allows for cytoplasm-to-cytoplasmcommunication between cells?a. adhesion junctions c. gap junctionsb. tight junctions d. None of these are correct.
Chapter 3 Solutions
EBK BIOLOGY TODAY AND TOMORROW WITHOUT
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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- ________ is the process of a cell taking in needed molecules from the extracellular fluid. a. Phagocytosis b. Receptor-mediated endocytosis c. Pinocytosisarrow_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_forwardA ______strip between abutting endodermal cell walls forces water and solutes to move through these cells rather than around them. a. cutin c. cohesion b. Casparian d. cellulosearrow_forward
- What do you call a finger-like projection that arises from epithelial layer in some organs that helps to increase surface area allowing for faster and more efficient adsorption? A. cillia B. flagella C. microvilli D. villi Cell modification is the change in the structure of cell to carry out specialized function. Which of the following words will BEST describe the cell modification? A. alteration B. differentiation C. evolution D. mutation You learned that cells are structurally modified so that they can perform their function efficiently and effectively. Which of the following structures have specialized functions due to cell modification? I. Guard cells II. Haemoglobin Trichomes Xylem vessels III. IV. A. 1, II and III B. I, II and Iv C. I, III, and IV D. I, II, III and IV Which of the following statements best illustrate the adaptation and function of nodified cell? A. The xylem in the leaf helps the leaf to be positioned horizontally towards the sun. B. The hair-like structure in…arrow_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_forwardWhich of the following cell organelles contains RNA? a. Mitochondria b. Plastids c. Lysosomes d. Ribosomesarrow_forward
- Actin 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_forwardThe main function of plasma membranes is to ________. a. physically protect the cell b. separate the internal environment of the cell from the environment c. ensure the cell properly communicates with stimuliarrow_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
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