MICROBIOLOGY: FUNDAMENTALS CONNECT AC
3rd Edition
ISBN: 9781264669769
Author: Cowan
Publisher: MCG
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Chapter 6, Problem 4Q
Which of the following is true of passive transport?
- a. It requires a gradient.
- b. It uses the cell wall.
- c. It includes endocytosis.
- d. It only moves water.
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Which of the following is not true of endocytosis?a. It is a form of passive transport.b. It includes pinocytosis.c. It can occur in coated pits.d. It is used by Amoeba to feed on Paramecium.
Which of the following is true of passive transport?a. it requires a gradient
b. it uses the cell wall
c. it includes endocytosis
d. it only moves water
One substance flows down its concentration gradient, and the energy is harnessed to move another substance up its gradient in the same direction. This best describes a. primary active transport. b. endocytosis. c. symport secondary active transport. d. antiport secondary active transport.
Chapter 6 Solutions
MICROBIOLOGY: FUNDAMENTALS CONNECT AC
Ch. 6.1 - List the essential nutrients of a bacterial cell.Ch. 6.1 - Prob. 2AYPCh. 6.1 - List and define four different terms that describe...Ch. 6.1 - Prob. 4AYPCh. 6.1 - Compare and contrast the processes of diffusion...Ch. 6.1 - Identify the effects of isotonic, hypotonic, and...Ch. 6.1 - Name two types of passive transport and one type...Ch. 6.1 - Prob. 1NPCh. 6.1 - Prob. 2NPCh. 6.1 - Prob. 3NP
Ch. 6.1 - Prob. 1MMCh. 6.2 - List and define five terms used to express the...Ch. 6.2 - Summarize three ways in which microorganisms...Ch. 6.2 - Identify three important environmental factors...Ch. 6.2 - List and describe the five types of associations...Ch. 6.2 - Discuss characteristics of biofilms that...Ch. 6.2 - Which statements are true with respect to...Ch. 6.3 - Summarize the steps of cell division used by most...Ch. 6.3 - Define doubling time, and describe how it leads to...Ch. 6.3 - Compare and contrast the four phases of growth in...Ch. 6.3 - Identify one culture-based and one...Ch. 6.3 - Prob. 2MMCh. 6 - Which descriptors are likely to have applied to...Ch. 6 - Prob. 2QCh. 6 - Speculate about how earths atmosphere came to...Ch. 6 - Which of the following is true of passive...Ch. 6 - Compare the effects of a hypertonic, hypotonic,...Ch. 6 - Usually scientists looking for life on other...Ch. 6 - An organism that can synthesize all its required...Ch. 6 - Provide evidence in support of or refuting this...Ch. 6 - Develop an explanation for why biofilm bacteria...Ch. 6 - Most bacteria increase their numbers by a. sexual...Ch. 6 - Looking at figure 6.3, explain how a cell in a...Ch. 6 - In binary fission, the parent chromosome is...Ch. 6 - A cell exposed to a hypertonic environment will...Ch. 6 - Prob. 14QCh. 6 - Bacteria and archaea are ubiquitous on the planet....Ch. 6 - Prob. 16QCh. 6 - How can you explain the fact that an unopened...Ch. 6 - Prob. 18QCh. 6 - In a viable count, each ____ represents a ______...Ch. 6 - If an egg salad sandwich sitting in a car on a...Ch. 6 - Scientists now believe that most bacteria in...Ch. 6 - Prob. 1VC
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- The cell membrane surrounds some smaller molecules in solution and takes them into the cell. This is an example of: Select one: a. pinocytosis. b. facilitated transport. c. phagocytosis. d. diffusion.arrow_forwardIf a cell is in an isotonic environment, then a. the cell will gain water and burst. b. no water will move across the membrane. c. the cell will lose water and shrink. d. osmosis still occurs, but there is no net gain or loss of cell volume.arrow_forwardCells transport sodium ions out of the cell against the sodium concentration gradient. This is an example of: a. facilitated diffusion b. simple diffusion c. diffusion via channel proteins d. endocytosis e. active transportarrow_forward
- Proteins from the Golgi leave the cell using A. active transport. B. facilitated diffusion. C. exocytosis. D. endocytosis.arrow_forwardMatch the term with its correct description: a. energy b. facilitated diffusion c. endocytosis d. passive transport e. active transport f. exocytosis g. carrier protein h. channel protein Transport protein that provides a tube-like opening in the plasma membrane through which particles can diffuse Is used during active transport but not passive transport Process by which a cell takes in material by forming a vacuole around it Particle movement from an area of higher concentration to an area of lower concentration Process by which a cell expels wastes from a vacuole A form of passive transport that uses transport proteins Particle movement from an area of lower concentration to an area of higher concentration Transport protein that changes shape when a particle binds with itarrow_forwardThe following is a type of active transport mechanism: O a Na-K-ATPase Protein Pump O b. Phagocytosis O c. Pinocytosis O d. Exocytosis Oe. All of the Abovearrow_forward
- The movement of molecules from an area of low concentration outside of the cell membrane to an area of high concentration within a cell membrane is most likely which of the following types of transport? a. exocytosis b. diffusion c. endocytosis d. osmosisarrow_forwardWhich of the following type of transport processes is commonly used by bacteria in a nutrient-deficient environment? Select one: A. facilitated diffusion OB. simple diffusion Oc. active transport D. osmosisarrow_forwardModel 1 and Model two are diagrams showing the process of two types of bulk transport which require energy. Which of the following statements correctly describes the type of transport that is occurring in Model 1 and Model 2? A . Model 1 and 2 are types of passive transport. B . Model 1 and 2 help to transport only one molecule at time. C . Model 1 shows endocytosis, where the cell surrounds molecules from outside the cell and takes the molecules into the cell. D . Model 2 shows endocytosis, where the cell surrounds molecules from inside the cell and releases them outside of the cell.arrow_forward
- From the list below choose all which apply to the process of diffusion. A. Requires energy B. Passive process C. Transports with concentration gradient D. Powered by random motion E. Transports against concentration gradient.arrow_forwardGlucose is often present in very low concentrations in environments populated by microorganisms. To import the maximum amount of available glucose, cells use a. Receptor-mediated endocytosis b. Simple diffusion c. Osmosis d. Facilitated diffusionarrow_forwardWhich of the following statements is/are true about transport proteins?I. They carry out biochemical functions that remove nutrients in a cell.II. They are proteins which have high specificity to a single kind of molecule.III. They function to accumulate solutes against the concentration gradient.IV. They are highly regulated in a cell.arrow_forward
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