Human Physiology: An Integrated Approach (8th Edition)
8th Edition
ISBN: 9780134605197
Author: Dee Unglaub Silverthorn
Publisher: PEARSON
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Textbook Question
Chapter 3, Problem 17RQ
Which would have more rough endoplasmic reticulum: pancreatic cells that manufacture the protein hormone insulin, or adrenal cortex cells that synthesize the steroid hormone cortisol?
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Which describes the cell's cortex?
the region around the MTOC where it is closely associated with the trans face of the Golgi apparatus
the proteins around the centriole, including gamma-tubulin ring complexes
the nucleoplasm just inside the nuclear envelope that is rich in nuclear lamins
the region of cytoplasm just inside the plasma membrane that is rich in actin, actin-binding proteins and myosins
Identify the polar, inorganic molecule which can pass freely through the plasma membrane.
CH3CH2OH (ethanol)
C6H12O6 (glucose)
H2O (water)
C6H6 (benzene)
CO2 (carbon dioxide)
Identify the nonpolar, inorganic molecule which can pass freely through the plasma membrane.
CH3CH2OH (ethanol)
CO2 (carbon dioxide)
C12H22O11 (sucrose)
C6H12O6 (glucose)
C6H6 (benzene)
Chapter 3 Solutions
Human Physiology: An Integrated Approach (8th Edition)
Ch. 3.2 - Name three types of lipids found in cell...Ch. 3.2 - Describe three types of membrane proteins and how...Ch. 3.2 - Why do phospholipids in cell membranes form a...Ch. 3.2 - How many phospholipid bilayers will a substance...Ch. 3.3 - Name the three sizes of cytoplasmic protein...Ch. 3.3 - How would the absence of a flagellum affect a...Ch. 3.3 - Prob. 7CCCh. 3.3 - Prob. 8CCCh. 3.3 - What is the function of motor proteins?Ch. 3.3 - What distinguishes organelles from inclusions?
Ch. 3.3 - Prob. 11CCCh. 3.3 - Prob. 12CCCh. 3.3 - Prob. 13CCCh. 3.3 - Prob. 14CCCh. 3.3 - Examining tissue from a previously unknown species...Ch. 3.4 - Prob. 16CCCh. 3.4 - Prob. 17CCCh. 3.4 - Prob. 18CCCh. 3.4 - Prob. 19CCCh. 3.4 - Name two properties that distinguish endocrine...Ch. 3.4 - The basal lamina of epithelium contains the...Ch. 3.4 - You look at a tissue under a microscope and see a...Ch. 3.4 - Prob. 23CCCh. 3.4 - What is the distinguishing characteristic of...Ch. 3.4 - Prob. 25CCCh. 3.4 - Name six types of connective tissues.Ch. 3.4 - Prob. 27CCCh. 3.4 - Why does torn cartilage heal more slowly than a...Ch. 3.5 - Prob. 29CCCh. 3 - Prob. 1RQCh. 3 - In 1972, Singer and Nicolson proposed the fluid...Ch. 3 - Prob. 3RQCh. 3 - Prob. 4RQCh. 3 - Define cytoskeleton. List five functions of the...Ch. 3 - Match each term with the description that fits it...Ch. 3 - Prob. 7RQCh. 3 - Match each organelle with its function:Ch. 3 - Prob. 9RQCh. 3 - Prob. 10RQCh. 3 - List the four major tissue types. Give an example...Ch. 3 - Prob. 12RQCh. 3 - Prob. 13RQCh. 3 - Prob. 14RQCh. 3 - Prob. 15RQCh. 3 - Prob. 16RQCh. 3 - Which would have more rough endoplasmic reticulum:...Ch. 3 - A number of organelles can be considered vesicles....Ch. 3 - Prob. 19RQCh. 3 - Prob. 20RQCh. 3 - Prob. 21RQCh. 3 - Prob. 22RQCh. 3 - Explain how inserting cholesterol into the...Ch. 3 - Prob. 24RQCh. 3 - Prob. 25RQCh. 3 - Prob. 26RQCh. 3 - Prob. 27RQCh. 3 - Prob. 28RQCh. 3 - One result of cigarette smoking is paralysis of...Ch. 3 - Prob. 30RQCh. 3 - Prob. 31RQ
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- What kind of membrane proteins trigger a change in cellular activity in response to a stimulus?arrow_forwardWhich is NOT a general function of the cellular cytoskeleton? A Structural support for the cell B Assembly of DNA into chromatin C Regulation of intracellular transport D Separation of the chromosomes during mitosis E Regulation of cell motility and cellular contractionarrow_forwardThis type of cell transport happens during secretion of hormones, neurotransmitters and digestive enzymes.arrow_forward
- You are working in a lab and need to help a doctor discover the cause of a disorder related to cellular organelles. Study the list of symptoms given and provide a cellular explanation for the following symptoms experienced by patients. A 42 year old male that has had no major health issue to date complains of weight gain and tiredness. Laboratory results are negative for hepatitis and shows excessive glycogen granules in the liver. In addition there are high levels of fat in the liver (abnormal metabolism) and the male has low testosterone levels. Additional laboratory results show an abnormal calcium balance in the cells. Which organelle(s) may be responsible for these symptoms? Explain your reasoningarrow_forwardWhich statements correctly describe the rough endoplasmic reticulum (rough ER)? It has ribosomes bound to its membrane. It synthesizes proteins that will be sent out of the cell. It stores and releases calcium ions. It is connected to the membrane of the nucleus. It is used to transport mRNA to the cell membrane.arrow_forwardWhen the protein integrin (a transmembrane protein in human fibroblasts) is held in place, by covalent bonds to fibronectin and collagen proteins in the interstitial spaces, integrin is exhibiting: restricted movement in the membrane, based on confinement by diffusion barriers restricted movement in the membrane, based on tethering to extracellular molecules restricted movement in the membrane, based on attachment to other cells restricted movement in the membrane, based on anchoring to intracellular proteins unrestricted movement in the membrane, similar to membrane lipidsarrow_forward
- Match 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_forwardInsulin is a protein that is produced by pancreatic cells and secreted into the bloodstream. Which of the following options correctly lists the order of the structures in the endomembrane system through which insulin passes from its production to its exit from the cell? rough ER, transport vesicles, Golgi apparatus, vacuole, cell membrane rough ER, Golgi apparatus, smooth ER, cell membrane rough ER, transport vesicles, cell membrane rough ER, lysosomes, transport vesicles, cell membranearrow_forwardHow would a cell be affected if the cell membrane did not have any membrane proteins and what functions would be affectedarrow_forward
- Cells that line the intestines move nutrients from the intestines through the cell and then to the blood stream. These cells have many folds along their plasma membrane called microvilli. What is the function of these folds? O A. increase the volume of the cell O B. increase the surface area of the cell O C. increase protein transport out of the cell D. increase the ATP production within the cell red MacBook Air 吕口 F3 D00 F4 F7 F2 % & 2 3 5 6 %244arrow_forwardDane is doing an experiment by using a dialyzing membrane as a model for cell membrane to observe the movement of the substances like glucose in before and after fluids using benedict's test. BEFORE: Fluid in the beaker blue (absence of glucose) Fluid in the bag orange (presence of glucose) AFTER Fluid in the beaker orange (presence of glucose) Fluid in the bag orange (presence of glucose) Was there a movement of glucose across the artificial membrane? Why or why not?arrow_forwardBelow are three statements - two of which are truths and one is a lie. Which of the following statements is a lie? a. Rough ER and smooth ER mainly function for protein synthesis. b. There are two types of secretory activities of a cell. c. A cell that makes steroid hormones has a high concentration of smooth endoplasmic reticulum.arrow_forward
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