Microbiology: A Systems Approach
5th Edition
ISBN: 9781259706615
Author: Marjorie Kelly Cowan Professor
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 7, Problem 10MCQ
In a viable plate count, each _____ represents a _____ from the sample population.
- a. cell, colony
- b. colony, cell
- c. hour, generation
- d. cell, generation
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is a culture in which the
Question 2.
cells have undergone genetic modifications that
allow them to grow indefinitely.
A. A cell establishment
B. A cell line
C. A 3D cell culture
D. A monolayer
In a viable plate count, each _________ represents a _________fromthe sample population.a. cell, colony
b. colony, cell
c. hour, generation
d. cell, generation
A colony of bacteria or fungi
A. are one single individual
B. Cannot survive on agar
C. Is formed from one individual that replicated in the same spot
D. Cannot both survive on the same petri dish
Chapter 7 Solutions
Microbiology: A Systems Approach
Ch. 7.1 - List the essential nutrients of a bacterial cell.Ch. 7.1 - Prob. 2AYPCh. 7.1 - List and define four different terms that describe...Ch. 7.1 - Define saprobe and parasite, and provide microbial...Ch. 7.1 - Prob. 5AYPCh. 7.1 - Identify the effects of isotonic, hypotonic, and...Ch. 7.1 - Name two types of passive transport and three...Ch. 7.2 - List and define five terms used to express a...Ch. 7.2 - Prob. 9AYPCh. 7.2 - Prob. 10AYP
Ch. 7.2 - Prob. 11AYPCh. 7.2 - Discuss characteristics of biofilms that...Ch. 7.3 - Summarize the steps of cell division used by most...Ch. 7.3 - Define doubling time and describe how it leads to...Ch. 7.3 - Compare and contrast the four phases of growth in...Ch. 7.3 - Prob. 16AYPCh. 7 - The source of the necessary elements of life is a....Ch. 7 - An organism that can synthesize all its required...Ch. 7 - Chemoautotrophs can survive on ______ alone. a....Ch. 7 - Prob. 4MCQCh. 7 - Prob. 5MCQCh. 7 - Prob. 6MCQCh. 7 - A cell exposed to a hypertonic environment will...Ch. 7 - Prob. 8MCQCh. 7 - Prob. 9MCQCh. 7 - In a viable plate count, each _____ represents a...Ch. 7 - Prob. 11TFCh. 7 - Prob. 12TFCh. 7 - Prob. 13TFCh. 7 - Prob. 14TFCh. 7 - A facultative anaerobe can grow with or without...Ch. 7 - Prob. 1CTQCh. 7 - Describe the process used by a saprobic microbe to...Ch. 7 - Prob. 3CTQCh. 7 - Explain what is happening to the bacterial...Ch. 7 - Prob. 5CTQCh. 7 - Prob. 1VCCh. 7 - Using the words that follow, please create a...
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- The term culture refers to the _____________ growth of microorganisms in_________ . a. rapid, an incubator b. macroscopic, media c. microscopic, the body d. artificial, coloniesarrow_forwardWhen the number of colony-forming units per milliliter is calculated, you will focus your counts on the Petri plates with __________. A. 5 to 25 colonies B. 25 to 250 colonies C. 250 to 500 colonies D. TNTC colonies E. any number of coloniesarrow_forwardWhich of the following statement about normal flora is INCORRECT? Question 3 options: A On Sabouraud's agar, yeast will appear as small creamy colonies and mold will have large fuzzy colonies B Alpha and gamma hemolysis is produced by Streptococcus species C Normal flora never cause disease D A healthy person can carry pathogens like MRSA and Proprionibacterium acnes on our skin E The growth of S. aureus turns the color of MSA to yellowarrow_forward
- Define the following: 1. Morphology - 2. Colony -arrow_forwardThe time required for a cell to undergo binary fission is called thea. exponential growth rate b. growth curve c. generation time d. lag periodarrow_forwardYou are looking at a white cottony growth on a culture medium. Microscopic examination reveals it is multicellular. You can conclude all of the following about this microorganism except that it: a. has cell walls b. has DNA enclosed in a nucleus c. is a bacterium d. absorbs organic nutrientsarrow_forward
- In a new batch of culture medium, a group of sub-lethally wounded bacterial cells were transferred. Determine which stage of bacterial growth it will be in? a. Lag Phase b. Log Phase c. Stationary Phase d. Death Phasearrow_forwardWhich of the following is an acellular microorganism lacking a nucleus?a. bacterium b. helminth. c. protozoan d. virusarrow_forwardMany species of bacteria live bound together by a gluelike substance that, among other things, makes up the plaque on human teeth. This is an example of a ____. a. vesicle b. biofilm c. colony d. mass e. pilusarrow_forward
- Which of the specimen(s) is a eukaryote cell? (Only one choice is correct). A. lymphocyte and red blood cells B. dust mite C. E. coliarrow_forwardWhen you try to count yeast cells in the squares by using a microscope, you need to count with objective lens. Select one: a. 10x b. 4x C. 40x O d. 400x Count the number of living cells in this counting square:arrow_forwardOne of the biggest drawbacks of cell culture is the amount of time and materials required to produce a little amount of tissue.Make a suggestion on how you might get around this restriction.arrow_forward
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