Nester's Microbiology: A Human Perspective
9th Edition
ISBN: 9781259709999
Author: Denise G. Anderson Lecturer, Sarah Salm, Deborah Allen
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 2, Problem 2A
Microorganisms use hydrogen bonds to attach to surfaces. Many of the cells lose hold of the surface because of the weak nature of these bonds. Contrast the benefits and disadvantages of using covalent bonds as a means of attaching to surfaces.
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Chapter 2 Solutions
Nester's Microbiology: A Human Perspective
Ch. 2 - Differentiate between an atom, a molecule, and a...Ch. 2 -
2. Why is water a good solvent?
Ch. 2 - Which solution is more acidic, one with a pH of 4...Ch. 2 - Prob. 4SACh. 2 - Prob. 5SACh. 2 - What is a structural isomer?Ch. 2 - Name the major groups of lipids and give an...Ch. 2 - List six functions of proteins.Ch. 2 -
9. What are the four levels of protein structure,...Ch. 2 - How do DNA and RNA differ from one another in...
Ch. 2 - Choose the list that goes from the lightest to the...Ch. 2 -
2. An oxygen atom has an atomic number of 8. It...Ch. 2 - Dehydration synthesis is involved in the synthesis...Ch. 2 - The primary structure of a protein relates to its...Ch. 2 -
5. Pure water has all of the following properties...Ch. 2 - When the pH of a solution changes from 3 to 8, the...Ch. 2 - A shortage of nitrogen (N) would make it most...Ch. 2 - Complementarity plays a major role in the...Ch. 2 - Prob. 9MCCh. 2 - The function of a buffer is to a) bring the pH of...Ch. 2 - A group of prokaryotes known as thermophiles...Ch. 2 -
2. Microorganisms use hydrogen bonds to attach to...Ch. 2 - What properties of the carbon atom make it ideal...Ch. 2 -
2. A biologist determined the amounts of several...Ch. 2 - The table on the right indicates the freezing and...
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- In the produce department of supermarkets, vegetables and fruits (cucumbers are an example) have been coated with wax for shipping and storage. Suggest a reason why this is done.arrow_forwardWhat is the difference between hydrophobic and hydrophilic surface, when it comes to wetting? Use a schematic diagram to illustrate your answer.arrow_forwardPaper recycling companies refuse to collect paper products that are contaminated with food or have been sitting wet for a day. A college sorority member who is running a recycling program on campus wishes to know the reason for this. What reason did the chemist who works for the recycling company probably give her for this policy?arrow_forward
- The compound illustrated below is an antibiotic able to transport the ions across the cell membrane. Considering the structure of the molecule, explain why it is able to carry out this task.arrow_forwardA person is trying to extract a pigment found in the thylakoid membrane of a plant cell. Which would be the best option to use as an extraction buffer? Water An extraction buffer with detergent A nonpolar solvent A polar solventarrow_forwardHydrogen bonding between water molecules results in a. submersion. b. adhesion. c. evaporation. d. cohesion.arrow_forward
- Which of the following is NOT an optical microscope? a. dark-field c. atomic force b. confocal d. fluorescentarrow_forwardWhen separating your organic and aqueous layer and collecting organic for the final time, is it better to take some of the aqueous layer than the organic layer to ensure collection of all of the organic layer, or to leave some of the organic layers with the aqueous layer to ensure collection of all of the aqueous layer? Explain why.arrow_forwardMicrobes use a variety of macromolecules. Chose an example of how a microbe uses a specific macromolecule and present it to your peers . Include information on how the microbe obtains the macromolecule, if it provides any unique benefits, what alternatives may be used if the chosen macromolecule is unavailable, and if this use of the macromolecule has any medical or scientific applications.arrow_forward
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