BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
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Chapter 4, Problem 14SA
Summary Introduction
Introduction:
The connection between the adjacent cells is very important for the regulation of various types of
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Chapter 4 Solutions
BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
Ch. 4 - All cells have these three things in common...Ch. 4 - Every cell is descended from another cell. This...Ch. 4 - The surface-to-volume ratio _______. a. does not...Ch. 4 - Cell membranes consists mainly of ________ and...Ch. 4 - In a lipid bilayer, the ________ of all the lipid...Ch. 4 - What controls the passage of molecules into and...Ch. 4 - Most of a membranes diverse functions are carried...Ch. 4 - The main function of the endomembrane system is...Ch. 4 - Which of the following statements is correct? a....Ch. 4 - Enzymes contained in ________ break down worn-out...
Ch. 4 - Put the following structures in order according to...Ch. 4 - Prob. 12SACh. 4 - Which of the following organelles contains no DNA?...Ch. 4 - Prob. 14SACh. 4 - Prob. 15SACh. 4 - In a classic episode of Star Trek, a gigantic...Ch. 4 - Prob. 2CTCh. 4 - What type of micrograph is shown below? Is the...
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- ________ prevent fluid from leaking between adjacent cells. a. Gap junctions b. Desmosomes c. Tight junctionsarrow_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_____keep fluid from leaking between cells. a. Tight junctions c. Gap junctions b. Adhering junctions d. Fibroblastsarrow_forward
- 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_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_forwardThe tigroid lysis is observed in a case of functional exhaustion of the neuron. It is resulted in decay of basophilic substance and brightening of the neuroplasma. What organelles changes do this phenomenon is associated with? a. Granular endoplasmic reticulum O b. Lysosomes O c. Neurofibrils d. Golgi apparatus O e. Mitochondriaarrow_forward
- The 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_forward________ is the process of a cell taking in needed molecules from the extracellular fluid. a. Phagocytosis b. Receptor-mediated endocytosis c. Pinocytosisarrow_forwardThe type of tissue found on human skin has all these features except A. High power of regeneration B. Highly vascularized C. Has many cell junctions D. Movement of materials is by simple diffusionarrow_forward
- Phospholipids can move from one leaflet (layer) to the other in a cell membrane bilayer by A. increased diffusion B. flippases and floppases. C. lateral diffusion. D. biosynthesis. Diffusion of membrane proteins was demonstrated by fusing human cells and mouse cells that had membrane proteins labeled with ________ of different colors. A. stained lipids B. fluorescent dyes C. radioactivity D. EPR detectable spin labelsarrow_forwardAnimal cells signal to adjacent cells using a ________. a. gap junction b. desmosomes c. tight junctionarrow_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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