EBK BIOLOGY
4th Edition
ISBN: 8220102797376
Author: BROOKER
Publisher: YUZU
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Textbook Question
Chapter 10, Problem 3CQ
Core Concept: Systems We can view the body of a multicellular organism, such as a plant or animal, as a system of interconnected cells. Discuss how cell junctions play a key role in forming this system.
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CU: Structure and Function
In the 1800s two scientists, Theodor Schwann and Matthias Schleiden, studied
different types of organisms. After many years of studying a great variety of
organisms, they drew similar but independent conclusions about their observations.
Schwann studied
animals and concluded
that all animals are
made of cells.
Schleiden studied
plants and concluded
that all plants are
made of cells.
What statement was developed most directly from these conclusions and is part of
the modern cell theory?
Cells contain hereditary information.
O Cells exist only in multicellular organisms.
The functions of living things occur in cells.
Living things are composed of cells.
1
2 3 4 5 6
DELL
441
Subject: Biology, Cell Biology
Create a schematic diagram of a simple experiment which aims to determine if a certain cell membrane component moves in a flip-flop type manner.
Describe the basic composition and structure of the plasma membrane. Discuss the contribution/function of each structure in the cell membrane, including phospholipids, cholesterol, peripheral proteins, transmembrane proteins, glycoproteins, glycolipids and actin filaments.
Chapter 10 Solutions
EBK BIOLOGY
Ch. 10.1 - What are the four functions of the ECM in animals?Ch. 10.1 - Prob. 2CCCh. 10.1 - Prob. 3CCCh. 10.1 - What structural feature of GAGs gives the ECM a...Ch. 10.1 - Prob. 5CCCh. 10.2 - Prob. 1CCCh. 10.2 - Prob. 2CCCh. 10.2 - Prob. 1BCCh. 10.2 - Prob. 3CCCh. 10.2 - Prob. 1EQ
Ch. 10.2 - Cell Junctions CoreSKILL Explain the experimental...Ch. 10.2 - Prob. 3EQCh. 10.2 - Prob. 4CCCh. 10.2 - Prob. 2BCCh. 10.3 - Tissues Concept Check: Which of the four general...Ch. 10.3 - Prob. 2CCCh. 10 - The function of the extracellular matrix (ECM) in...Ch. 10 - Prob. 2TYCh. 10 - The polysaccharide that form the hard outer...Ch. 10 - Prob. 4TYCh. 10 - Prob. 5TYCh. 10 - Prob. 6TYCh. 10 - Prob. 7TYCh. 10 - Prob. 8TYCh. 10 - A type of tissue that is rich in ECM or has cells...Ch. 10 - Which of the following is not a correct statement...Ch. 10 - Prob. 1CQCh. 10 - Prob. 2CQCh. 10 - Core Concept: Systems We can view the body of a...Ch. 10 - Discuss the similarities and differences between...Ch. 10 - Discuss the similarities and differences between...
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- The major function of the plasma membrane is to: define the structure of the organelles. provide genetic information for the cell. synthesize chemicals for metabolism. regulate the passage of molecules and ions.arrow_forwardBriefly describe the structure and function of these cellular structures/organelles: endoplasmic reticulum, ribosomes, Golgi apparatus, mitochondria, lysosomes, peroxisomes, cytoskeleton, cell fibres, centrosome, centrioles, and cell extensions.arrow_forwardfor cell organelles : (Plasma Membrane ) know the structure and how these terms relate to it: fluid mosaic model, cholesterol, phospholipids, transmembrane proteins, integral proteins, peripheral proteins, phagocytosis, endocytosis, exocytosisarrow_forward
- In the plasma membrane, proteins carry out the following tasnks except ONE: 1. ALL other are carried out by proteins 2. catabolic reaction (digestion of complex molecules into simpler one) 3. gather information from surroundings/neighboring cells 4. shuttles molecules across the membrane 4. Binding to other cells via cytoskelletonarrow_forwardWhich of the following statements related to intercellular junctions is false? Cadherins are important cell-cell adhesion proteins. A cadherin-mediated junction involves many cadherin molecules to achieve strong adhesion. The cytoplasmic domain of cadherins interacts with actin or intermediate filament cytoskeleton through adaptor proteins. Because tight junctions seal the membrane of adjacent epithelial cells, transmembrane proteins in the apical portion of the plasma membrane cannot move to the basal lateral domain or vice versa. Proteins can diffuse through an open gap junction.arrow_forwardDescribe the composition of the plasma membrane. Include the general structure of different types of lipids and any asymmetry in their distribution. Include the different classes of membrane proteins and different ways in which proteins are associated with the membrane.arrow_forward
- . what are two structural characteristics of cell membrane determine whether substances can pass through them passively? What determines whether or not a substance can be actively transported through the membrane?arrow_forwardI. Up-close: Eukaryotic Cells and Organelles Match the organelles with the proper description: Nucleus Membrane-bound sit of protein production Rough ER Network of protein fibers that help moving Smooth ER Membrane-bound site of lipid production Ribosomes Membrane-bound site of protein processing Mitochondria Contain genetic material Lysosome Breaks down molecules and parts of cell for re-use Golgi Convert light energy into chemical energy Chloroplast Converts energy in food to a form the cell can use Cytoskeleton Translate genetic material into proteins 80°Farrow_forwardMatch each of the following cellular structures with the one function that best describes it. Site where the cell first makes contact with a virus Composed of microtubules, intermediate filaments, and microfilaments Site of cellular respiration, which generates ATP Organelle that "reads" RNA to create a protein from amino acids Site where proteins are modified into glycoproteins Site where proteins complete their modifications and are transported to other locations, inside or outside the cell General membrane-bound transport structure A vesicle involved in the process of endocytosis that becomes increasingly acidic Contains enzymes for intracellular digestion of malfunctioning organelles or ingested pathogens Location of genetic material 1. ribosome 2. nucleus 3. lysosome 4. 5. 6. Golgi complex 8. rough ER mitochondrion 7. vesicle cytoskeleton 9. plasma membrane 10. endosomearrow_forward
- Mitosis: Events Name the phase of mitosis in which each event occurs. Each answer choice is used once and only once. The number of chromosomes in the [ Choose ] cell doubles,. The nuclear membrane breaks down. [Choose ] The spindle begins to form. [ Choose ] Chromosomes decondense. [Choose ] Chromosomes are in a line down the [Choosc ] center of the cell.arrow_forwardMatch each membrane molecule with its corresponding description. [Each choice will be used exactly once.] Help animal cell membranes maintain fluidity. Combine with other molecules to make cell surface markers that identify self from non- self. Lipid that can be described as saturated or unsaturated. Can serve as transport channels. 1. Phospholipids 2. Carbohydrates 3. Proteins 4. Cholesterolarrow_forwardWhich of the following statements describes the function of plasma membranes? I. define boundaries of the cell and its organelles and act as permeability barriers II. sites for specific biological and chemical functions III. possess transport proteins that regulate the movement of substances into and out of the cell and its organelles IV. contain protein molecules that act as receptors to detect external signals V. provide mechanisms for cell-to-cell contact, adhesion, and communicationarrow_forward
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