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Portage Microbiology BIOD171 FINAL EXAM Questions and Answers Rated A+
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Portage Microbiology BIOD171 FINAL EXAM Questions and Answers Rated A+ Nucleus contains genomic content in eukaryotic cells Endoplasmic reticulum series of membrane enclosed sacs and interconnected tubes Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:...

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  • October 2, 2024
  • 5
  • 2024/2025
  • Exam (elaborations)
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  • portage microbiology biod171 final exam questions
  • endoplasmic reticulum series of membrane enclosed
  • briefly explain how a scanning electron microscope
  • a researcher is looking to solidify an agent for

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Portage Microbiology BIOD171 FINAL
EXAM Questions and Answers Rated A+

Nucleus - answer contains genomic content in eukaryotic cells

Endoplasmic reticulum - answer series of membrane enclosed sacs and interconnected
tubes

Lysosomes - answer contain hydrolytic enzymes for digestion

Chloroplast - answer Site of photosynthesis

Briefly explain how a Scanning Electron Microscope (SEM) forms an image of a
microscopic specimen. - answer Answer: An image is formed from the interactions of
electrons as they reflect off (not through) the surface of the specimen. Samples are
coated in either gold or palladium to enhance electron reflections. The reflection is seen
in 3-D rendering.

Legionnaires - answerlegionella

Wound botulism - answerClostridium botulinum

Impetigo - answerstaph auerus

Septicemic plague - answeryersina pestis

Yeast - answerEukaryote

Mycobacterium - answerProkaryote

Algae - answerEukaryote

flu virus - answerneither eukaryote or prokaryote

Phototroph - answerutilize photons to generate ATP from ADP

lithotroph - answerremove electrons from inorganic molecules

autotroph - answerobtain their source of carbon from inorganic molecules

chemotroph - answeracquire energy from preformed chemicals in the environment

, A researcher is looking to solidify an agent for growth media. What polysaccharide
substance would he or she use? - answeragar

Place the following viral life cycle steps in order beginning with viral attachment
(3points) and provide a description of "UNCOATING" (1 point). - answer1-Attachment:
2-Entry:
3- Uncoating: the viral capsid disassembles
4-Replication:
5-Release:
6-New infection:

The action of alcohol during Gram staining is___________. - answerDecolorizes the cell

Left untreated, three percent of cases of Streptococcal pharyngitis will progress to which
of the following? - answerRheumatic fever

Describe TWO differences between DNA and RNA. - answerAnswer: Any of the
following are acceptable answers: RNA contains the sugar ribose rather than
deoxyribose. RNA is always single-stranded, whereas DNA is double-stranded. While
RNA contains the bases adenine, guanine, and cytosine, it does not utilize the
pyrimidine base thymine. Instead, RNA contains uracil (U), which still pairs with adenine
(A).

True or False. If the statement is false, change it to make it true.
When grown on Blood Agar Plates (BAP), microbes capable of delta hemolysis
designate the absence or lack of hemolytic activity, and the resulting colonies are often
white/tan in color growing on the red background color of the unaffected blood agar
plate. - answerAnswer: False; Gamma Hemolysis designates the absence or lack of
hemolytic activity, and the resulting colonies are often white/tan in color growing on the
red background color of the unaffected blood agar plate.

Each of the following statements about the Electron Transport System is true, except: -
answerOccurs mainly in the nuclear membrane of the cell

Describe the TWO main characteristics of LYSOGENIC (temperate) bacteriophage
replication. - answer(1) Exist in a non-replicative state that does not kill the host cell
(2) Integrated into the host genome but production of viral proteins is suppressed

Bacteria that have a round morphology are referred to as ______. - answerCoccus

You want to observe the movement of microorganisms that are present in a sample of
cheek cells obtained on a patient. Briefly explain the technique that you would use and
how it is performed. - answerA wet mount stain is indicated. A small liquid culture
(usually just a drop) containing a microorganism of interest is prepared, added to a
slide, and then covered with a glass coverslip. The coverslip is present to both protect

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