Prescott's Microbiology
11th Edition
ISBN: 9781260409062
Author: WILLEY, Joanne
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 3, Problem 6AL
Develop a hypothesis to explain why gas vacuoles are bounded by proteins rather than a lipid bilayer membrane.
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Carrier proteins that bind to substances to move them through the membrane and proteins that form pores or channels to allow passage of substances through the membrane are collectively called __________.
A) integral proteins
B) transport proteins
C) transmembrane proteins
D) glycoproteins
Provide 2 examples of Diffusion, Osmosis, and Semi-Permeable Membrane (1 from the "Diffusion Through a Membrane" lab and 1 from any biological situation) and explain how those examples illustrates the concept.
Explain why the statement is correct.
Which is true of the ribosomes of endoderm cells of the Cnidaria (jellyfish)?
They: are attached to the Rough Endoplasmic reticulum (RER) and carry out the synthesis of the primary structure of proteins
Chapter 3 Solutions
Prescott's Microbiology
Ch. 3.2 - Retrieve, Infer, Apply Why is the term prokaryote...Ch. 3.2 - Retrieve, Infer, Apply What characteristic shapes...Ch. 3.2 - Retrieve, Infer, Apply What advantages might a...Ch. 3.2 - Prob. 4CCCh. 3.3 - Retrieve, Infer, Apply List the functions of...Ch. 3.3 - Prob. 2CCCh. 3.3 - Retrieve, Infer, Apply 3. On what basis are...Ch. 3.3 - Retrieve, Infer, Apply Describe facilitated...Ch. 3.3 - Retrieve, Infer, Apply 5. What are uniport,...Ch. 3.3 - Retrieve, Infer, Apply 6. What are siderophores?...
Ch. 3.4 - MICRO INQUIRY How does the outer membrane of the...Ch. 3.4 - MICRO INQUIRY Are these transporter proteins...Ch. 3.4 - Retrieve, Infer, Apply Describe in detail the...Ch. 3.4 - Retrieve, Infer, Apply When protoplasts and...Ch. 3.4 - Retrieve, Infer, Apply 4. The cell walls of most...Ch. 3.4 - Retrieve, Infer, Apply What two mechanisms allow...Ch. 3.5 - Retrieve, Infer, Apply What is the difference...Ch. 3.5 - Retrieve, Infer, Apply S-layers and some capsules...Ch. 3.6 - Retrieve, Infer, Apply Briefly describe the nature...Ch. 3.6 - Retrieve, Infer, Apply List the most common kinds...Ch. 3.6 - Retrieve, Infer, Apply do plasmids differ from...Ch. 3.6 - Prob. 4CCCh. 3.7 - MICRO INQUIRY How does flagellum growth compare to...Ch. 3.7 - Retrieve, Infer, Apply What are the functions of...Ch. 3.7 - Retrieve, Infer, Apply What terms are used to...Ch. 3.7 - Retrieve, Infer, Apply What is self-assembly? Why...Ch. 3.8 - Would this flagellum be found in a typical...Ch. 3.8 - Retrieve, Infer, Apply Describe the way many...Ch. 3.8 - Prob. 2CCCh. 3.8 - Prob. 3CCCh. 3.8 - Retrieve, Infer, Apply Suggest why chemotaxis is...Ch. 3.9 - Retrieve, Infer, Apply Describe the structure of...Ch. 3.9 - Retrieve, Infer, Apply Briefly describe endospore...Ch. 3.9 - Retrieve, Infer, Apply What features of the...Ch. 3 - Prob. 1RCCh. 3 - Prob. 2RCCh. 3 - Prob. 3RCCh. 3 - Propose a model for the assembly of a flagellum in...Ch. 3 - The peptidoglycan of bacteria has been compared...Ch. 3 - Why might a microbe have more than one uptake...Ch. 3 - Prob. 4ALCh. 3 - What would you expect to observe if you were able...Ch. 3 - Develop a hypothesis to explain why gas vacuoles...Ch. 3 - Prob. 7AL
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- The cell membrane is an excellent example of an organism's use of large molecules. Which answer is most correct? 1. Lipids (with their typical ring shape) can also be noted, embedded in the surface of the membrane or attached to other molecules. 2. Macromolecules are integrated into the membrane, passing from the extracellular space to the intracellular space. 3. The use of several types of proteins can be noted, lending looseness to the membrane. Different shapes of proteins can also be noted, such as the alpha-helix secondary structure. 4. The mixture of proteins and carbohydrate molecules serve in signaling and defensearrow_forwardBriefly explain what it means for a membrane to be selectively permeable. What kinds of molecules can pass freely? What needs help getting through? Is energy always required and when is it needed?arrow_forwardCellular membranes are self-sealing—if they are punctured or disrupted mechanically, they quickly and automatically reseal. What properties ofmembranes are responsible for this important feature?arrow_forward
- Please answer this question in your own words: Explain how energy is invested, stored, and released via chemical reactions? Describe the structure and molecular makeup of the cell membrane? Name 3 mechanisms that cells use to transport and regulate materials into and outof the cell? Describe the functions of at least 4 different cytoplasmic organelles? What is the difference between Hypertonic, Hypotonic and Isotonic solutions? How are free radicals formed in the body?arrow_forwardA cell that is missing this structure would not have a rigid structural support outside of its plasma membrane and would not be protected from exploding when placed in water. Name the structure and tell why. Then state which type of cell(s) have this structure.arrow_forwardWhich of the following describes the plasma membrane? 1) phospholipid bilayer surrounding the cell 2) a membrane composed of tiny shelves or cristae 3) single-layered membrane that surrounds the nucleus of the cell 4) double layer of protein enclosing the plasmaarrow_forward
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