Microbiology: An Introduction
12th Edition
ISBN: 9780321929150
Author: Gerard J. Tortora, Berdell R. Funke, Christine L. Case
Publisher: PEARSON
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Chapter 2, Problem 9R
Summary Introduction
Introduction:
Lipids are classified into three groups, namely simple lipids (comprised of fats and waxes), compound lipids (phospholipids and glycolipids), and derived lipids (fatty acids, glycerol, and sterols, with cholestrol, bile acids and vitamin D).
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Draw the general structure of a phospholipid.
Choose any two words in the table below, then connect them with a complete idea. Repeat this process three times in total.
monomer
disaccharide
glucose
cell wall
energy
structure
glycosidic bond
isomer
cell-to-cell communication
For example: if the two words are ribosome and protein, then you could write: Ribosomes are connected to proteins because the ribosomes are the protein builders in the cell. Ribosomes are made of two parts or subunits. The larger of the 2 parts is where the ribosome can add on an amino acid to the growing protein chain.
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Draw the strcuture of Phospholipids
Chapter 2 Solutions
Microbiology: An Introduction
Ch. 2 - What is a chemical element?Ch. 2 - DRAW IT Diagram the electronic configuration of a...Ch. 2 - What type of bond holds the following atoms...Ch. 2 - Classify the following types of chemical...Ch. 2 - Bacteria use the enzyme urease to obtain nitrogen...Ch. 2 - Classify the following as subunits of either a...Ch. 2 - DRAW IT The artificial sweetener aspartame, or...Ch. 2 - DRAW IT The following diagram shows the...Ch. 2 - Prob. 9RCh. 2 - Prob. 10R
Ch. 2 - Assume E. coli bacteria are grown in a nutrient...Ch. 2 - If Pseudomonas bacteria are supplied with...Ch. 2 - If E. coli were grown in a medium containing the...Ch. 2 - Prob. 4MCQCh. 2 - Prob. 5MCQCh. 2 - Prob. 6MCQCh. 2 - The dissociation products of the molecules are...Ch. 2 - Prob. 8MCQCh. 2 - The dissociation products of the molecules are...Ch. 2 - Prob. 10MCQCh. 2 - When you blow bubbles into a glass of water, the...Ch. 2 - Prob. 2ACh. 2 - Prob. 3ACh. 2 - Prob. 4ACh. 2 - Prob. 1CAECh. 2 - Prob. 2CAECh. 2 - Newborn babies are tested for phenylketonuria...Ch. 2 - The antibiotic amphotericin B causes leaks in...Ch. 2 - Prob. 5CAE
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- In a lipid bilayer, the of all the lipid molecules are sandwiched between all of the __________. a. hydrophilic tails; hydrophobic heads b. hydrophilic heads; hydrophilic tails c. hydrophobic tails; hydrophilic heads d. hydrophobic heads; hydrophilic tailsarrow_forwardPhospholipids are important components of_______. a. the plasma membrane of cells b. the ring structure of steroids c. the waxy covering on leaves d. the double bond in hydrocarbon chainsarrow_forwardA phospholipid ________. has both polar and nonpolar regions is made up of a triglyceride bonded to a phosphate group is a building block of ATP can donate both cations and anions in solutionarrow_forward
- Proteins denature at low pH. What characteristic of acidic environments interferes with protein folding? A. The lack of protons in the solution breaks covalent bonds in the protein. B. The excess protons in the solution break covalent bonds in the protein. C. The lack of protons in the solution breaks hydrogen bonds in the protein. D. The excess protons in the solution break hydrogen bonds in the protein.arrow_forwardOrganize the following words into a diagram. Please, make sure to use all the words given to form a diagram. Derived, saturated, unsaturated, functions, structures, lipids, signaling molecules, triglycerides, phospholipids, glycolipids, sphingosine, stearic acidarrow_forwardDescribe a rough structure of a phospholipid and explain the main difference with sphingolipid.arrow_forward
- Draw a region of a polypeptide chain showing a hydrophobic pocket containing nonpolar side chains.arrow_forwardWhich biomolecule is correctly characteristed? A Lecithin phosphorylated glyceride found in cell membrane B Palmitic acid unsaturated fatty acid with 18 carbon atoms C Adenylic acid adenosine with glucose phosphate molecule D Alanine amino acid contains an amino acid and an acidic group anywhere in the molecule.arrow_forwardWhich portion of a phospholipid is hydrophilic? saturated fatty acid tails none- a phospholipid is a lipid so the entire molecule is hydrophobic glycerol/phosphate heads unsaturated fatty acid tailsarrow_forward
- Create a concept map for Glycosides.arrow_forwardWhich of the following is used in the reaction called saponification? A. Strong Base B. Hydrogen C. Strong acid D. Nickel Fatty acids contain in __ - hydrogen bonds, making them __. The Phosphate "head" in a phospholipid is __. The entire phospholipid molecule, therefore, is __. A. Carbon; hydrophobic; hydrophilic; amphiphilic B. Hydrogen; hydrophilic; hydrophilic; amphiphilic C. Carbon; hydrophilic; hydrophilic; hydrophobic D. Hydrogen; hydrophobic; hydrophobic; hydrophobicarrow_forwardYou are searching for life in extreme environments. You collect samples from two different settings: hot volcanic ash and a glacier. Luckily, you discover a new species of bacteria in one of your samples. However, you messed up and accidently forgot to label your samples, so you don’t know which environment it was from! You study the lipids from the membrane of the new bacterial species. You find that the membrane phospholipids contain a high amount of saturated fatty acids and fatty acids with long carbon chains. Was your bacterial isolate from the hot volcanic ash or the glacier? Explain why you picked that environment, using two pieces of evidence from the provided information about the bacteria’s membrane lipids to support your answer.arrow_forward
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