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BIOS242 Lab Practicum Review
Questions and Answers (100%
Correct Answers) Already Graded A+
Inoculate Ans: Scientists ___________-Various Types of Media
to Grow Microorganisms
© 2026 Assignment
Incubation Ans: After ____________, Bacteria Grow in Colonies
on Solid Surfaces
Guru01 - Stuvia
Expert
Colonies Ans: Grouping of organisms that comes from single
cell that is visible of the naked eye
Bacterial Colony Ans: -Is Macroscopic
-Likely contains more than one million cells
-Comes from a single bacterial cell
-Can be seen with the naked eye
-Is indicated by the red arrow
Cell; colony Ans: _________ Shape (Microscopic) and
_________Shape (Macroscopic) Are Not the Same
Isolated Ans: The Streak Plate Method is Commonly Used to
Obtain ___________ Colonies
, 2
to decrease the concentration of cell Ans: Why is there a need
to resterilized the inoculating loop after each steps streaking
the plate?
General-purpose media Ans: •Grow as many different types
of microbes as possible
•Complex media that contains a mixture of ingredients that
support a wide variety of microbial life
© 2026 Assignment
Limiting Resources Ans: •Resource that is not in endless
supply and can alter (or limit) the growth of microorganisms
Guru01 - Stuvia
•Essential elements, food, oxygen, water
Expert
Enriched media Ans: Contains complex organic substances
(blood, serum, hemoglobin, or special growth factors) that
fastidious bacteria require for growth
Blood Agar Ans: is an example of an enriched media
alpha hemolysis Ans: Incomplete or partial lysis of red blood
cells
Beta hemolysis Ans: Complete lysis of red blood cells on
agar.
Gamma hemolysis Ans: No hemolysis, and no change in the
blood agar around the colony
Selective media Ans: inhibit growth of certain species in a
mixed sample, while allowing growth of species of interest
(one species grows)
BIOS242 Lab Practicum Review
Questions and Answers (100%
Correct Answers) Already Graded A+
Inoculate Ans: Scientists ___________-Various Types of Media
to Grow Microorganisms
© 2026 Assignment
Incubation Ans: After ____________, Bacteria Grow in Colonies
on Solid Surfaces
Guru01 - Stuvia
Expert
Colonies Ans: Grouping of organisms that comes from single
cell that is visible of the naked eye
Bacterial Colony Ans: -Is Macroscopic
-Likely contains more than one million cells
-Comes from a single bacterial cell
-Can be seen with the naked eye
-Is indicated by the red arrow
Cell; colony Ans: _________ Shape (Microscopic) and
_________Shape (Macroscopic) Are Not the Same
Isolated Ans: The Streak Plate Method is Commonly Used to
Obtain ___________ Colonies
, 2
to decrease the concentration of cell Ans: Why is there a need
to resterilized the inoculating loop after each steps streaking
the plate?
General-purpose media Ans: •Grow as many different types
of microbes as possible
•Complex media that contains a mixture of ingredients that
support a wide variety of microbial life
© 2026 Assignment
Limiting Resources Ans: •Resource that is not in endless
supply and can alter (or limit) the growth of microorganisms
Guru01 - Stuvia
•Essential elements, food, oxygen, water
Expert
Enriched media Ans: Contains complex organic substances
(blood, serum, hemoglobin, or special growth factors) that
fastidious bacteria require for growth
Blood Agar Ans: is an example of an enriched media
alpha hemolysis Ans: Incomplete or partial lysis of red blood
cells
Beta hemolysis Ans: Complete lysis of red blood cells on
agar.
Gamma hemolysis Ans: No hemolysis, and no change in the
blood agar around the colony
Selective media Ans: inhibit growth of certain species in a
mixed sample, while allowing growth of species of interest
(one species grows)
