Microbiology with Diseases by Body System, Books a la Carte Edition (5th Edition)
5th Edition
ISBN: 9780134618449
Author: Robert W. Bauman Ph.D.
Publisher: PEARSON
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Chapter 2, Problem 13CT
Summary Introduction
To answer:
We have seen that it is important that biological membranes remain flexible. Most bacteria lack sterols in their membranes and instead incorporate unsaturated phospholipids in the membranes to resist tight packing and solidification. Examine Table 2.4. Which fatty acid might best protect the membranes of an ice-dwelling bacterium.
Introduction:
Biological membranes are made up phospholipid bilayer which is a selectively permeable membrane. This membrane has integral membrane proteins and fatty acids in its structure. This protein helps in the transportation process. Mostly the unsaturated fatty acids are present in the phospholipid bilayer.
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Chapter 2 Solutions
Microbiology with Diseases by Body System, Books a la Carte Edition (5th Edition)
Ch. 2 - Electrons zip around the nucleus at about 5...Ch. 2 - Chlorine and potassium atoms form ionic bonds,...Ch. 2 - Why are decomposition reactions exothermic, that...Ch. 2 - Why does the neutralization of an acid by a base...Ch. 2 - Raw Oysters and Antacids: A Deadly Mix? The highly...Ch. 2 - Why do the cell membranes of microbes living in...Ch. 2 - Prob. 1MCCh. 2 - The atomic mass of an atom most closely...Ch. 2 - One isotope of iodine differs from another in...Ch. 2 - Prob. 4MC
Ch. 2 - Which of the following terms most correctly...Ch. 2 - In water, cations and anions of salts dissociate...Ch. 2 - Prob. 7MCCh. 2 - Which of the following statements about a...Ch. 2 - Proteins are polymers of ___________. a. amino...Ch. 2 - Which of the following are hydrophobic organic...Ch. 2 - Fill in the Blanks 1. The outermost electron shell...Ch. 2 - Fill in the Blanks 2. The type of chemical bond...Ch. 2 - Prob. 3FIBCh. 2 - Prob. 4FIBCh. 2 - Fill in the Blanks 5. Groups of atoms such as NH2...Ch. 2 - Fill in the Blanks 6. The reverse of dehydration...Ch. 2 - Fill in the Blanks 7. Reactions that release...Ch. 2 - Fill in the Blanks 8. All chemical reactions begin...Ch. 2 - Fill in the Blanks 9. The ____________ scale is a...Ch. 2 - Prob. 10FIBCh. 2 - Label a portion of the molecule below; label two...Ch. 2 - Shown is the amino acid tryptophan. Put the letter...Ch. 2 - List three main types of chemical bonds, and give...Ch. 2 - Name five properties of water that are vital to...Ch. 2 - Prob. 3SACh. 2 - What is the difference between atomic oxygen and...Ch. 2 - Explain how the polarity of water molecules makes...Ch. 2 - Prob. 1CTCh. 2 - Prob. 2CTCh. 2 - Two freshmen disagree about an aspect of...Ch. 2 - When an egg white is heated, it changes from...Ch. 2 - Prob. 5CTCh. 2 - The poison glands of many bees and wasps contain...Ch. 2 - Prob. 7CTCh. 2 - Prob. 8CTCh. 2 - The deadly poison hydrogen cyanide has the...Ch. 2 - Triple covalent bonds are stronger and more...Ch. 2 - How can hydrogen bonding between water molecules...Ch. 2 - How can a single molecule of magnesium hydroxide...Ch. 2 - Prob. 13CTCh. 2 - Prob. 14CTCh. 2 - A textbook states that only five nucleotide bases...Ch. 2 - Using the following terms, fill in the following...
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- Which of the following lipid types is the least polar? A. Sphingolipids B. Gangliosides C. Glycerophospholipids D. Triacylglycerolsarrow_forwardA phospholipid in cell membrane is an amphiphilic molecule, meaning it has both a hydrophilic region and a hydrophobic region. Suppose the phospholipid loses this property, what consequences will it bring to the cell.arrow_forward70 degree Celcious is the melting point of stearic acid, and 4 degree Celcius is the melting point of oleic acid. Explain using the concept of lipids why their melting point is so different.arrow_forward
- Saponifiable lipids are lipids that undergo hydrolysis in basic solution. The following are saponifiable lipids EXCEPT ___.arrow_forwardWhy do animal fats and vegetable oils become rancid when exposed to moist warm air?arrow_forwardWould you expect lipids to be soluble or insoluble in each of the following solvents? a. CH3-CH2)7-CH3 b. CH3-CI c. CCl4 d. CH3-CH2-OHarrow_forward
- In lipoproteins, unesterified(free) cholesterol would be found: In the core, along with triglycerides On the surface, along with phospholipids On the surface, along with esterified cholesterol In the core, along with proteinsarrow_forwardarrange the following lipids in order of decreasing polarity: cholesterol, triglyceride, estradiol, fatty acid, phosphatidyl cholinearrow_forwardWhy is it essential for compounds like salt (and glucose) to soluble in the water found in our body?arrow_forward
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