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nswers 100%Correct2024-2025 Update . .
True or False: A virus is considered a microorganism.
. . . . . . . .
False. Viruses are not living and as such are not considered microorganisms. Viruses can, ho
. . . . . . . . . . . . . .
wever, be classified as microbes, a more general term that includes microorganisms and vir
. . . . . . . . . . . . .
uses.
1. What is the smallest biological unit of life? A
. . . . . . . . .
cell.
2. At.a.generalized.level,.all.cells.are.comprised.of.what?.Ma
cromolecules*
*A student may also answer: Proteins, Lipids, Nucleic acids and Polysaccharides but they m
. . . . . . . . . . . . .
ust answer with all four to be fully correct.
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1. Which of the following microorganisms are considered to be Eukarya? Select all that appl
. . . . . . . . . . . . .
y.
A. Animalia
B. Plantae
C. Fungi
D. Protista
A,B,C,D
.
2. True.of.False:.All.multicellular.microorganisms.classified.as.Animalia.are
Portage Learning BIOD 171 Final EXAM Questions and A
. . . . . . . .
nswers 100%Correct2024-2025 Update . .
,Portage Learning BIOD 171 Final EXAM Questions and A. . . . . . . .
nswers 100%Correct2024-2025 Update . .
heterotrophic.
True
3. Microorganisms.classified.as.Plantae.obtain.most.of.their.energy.by.converting
. energy into . .
energy. .
Light (sunlight); chemical (sugars)
. . .
1. Define catabolism. .
Catabolism is the process of breaking down larger molecules into useful energy sources.
. . . . . . . . . . . .
2. Upon.cellular.injury,.which.metabolic.process.is.involved.during.the.growth.and.repair.
phases of the cell? The anabolic process would be active as it (by definition) is involved in t
. . . . . . . . . . . . . . . . .
he building up of small complexes into larger complexes.
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1. In phosphorylation, the light reactions always occur where? Th
. . . . . . . .
e process of converting light energy into chemical energy (photo
. . . . . . . . .
phosphorylation) always occurs in the membrane. . . . . .
2. True.or.False:.The.Calvin.cycle.must.occur.in.the.absence.of.light.
False. The term ‘dark reactions’ (also known as the Calvin Cycle) simply denotes the second
. . . . . . . . . . . . . .
stage in photosynthesis—dark reactions do not actually require darkness in order to occur.
. . . . . . . . . . . . .
Portage Learning BIOD 171 Final EXAM Questions and A. . . . . . . .
nswers 100%Correct2024-2025 Update . .
,Portage Learning BIOD 171 Final EXAM Questions and A
. . . . . . . .
nswers 100%Correct2024-2025 Update . .
1. Assuming.a.constant.(non-
adjustable) light source power, identify the part of the microscope you would adjust to l
. . . . . . . . . . . . . .
imit the amount of light entering the microscope. Select all that apply.
. . . . . . . . . . .
A..Objective
B..Condenser
C..Iris.diaphragm
D..Eye.piece
C. The iris controls the amount of light that passes through the sample and into the objectiv
. . . . . . . . . . . . . . . .
e lens. Thus, it can be adjusted (opened or closed) to alter the amount of light.
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2. What.is.the.total.magnification.(relative.to.your.eye).of.a.sample.imaged.with.a.60x.o
bjective and a 10x eyepiece? Show your math.
. . . . . . .
60 x 10 = 600x magnification
. . . . .
Portage Learning BIOD 171 Final EXAM Questions and A
. . . . . . . .
nswers 100%Correct2024-2025 Update . .
, Portage Learning BIOD 171 Final EXAM Questions and A . . . . . . . .
nswers 100%Correct2024-2025 Update . .
1. Identify what type of electron microscope was used to capture the following ima
. . . . . . . . . . . .
ge and explain your choice.
. . . .
The image was captured using a Scanning Electron Microscope (SEM). The above image
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shows the trademark ‘shell’ image (no subcellular organelles are visible) reminiscent o
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f SEM. Only TEM is capable of visualizing subcellular substrucutres.
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1. True.or.False:.LB.agar.is.classified.as.a.selective,.non-differential.media.
False. LB agar is the most basic type of agar and like LB media supports the growth of virt
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ually all microbes without restriction.
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2. What is agar used for in microbiology?
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Agar is used to create a solid, smooth surface on which microbes can grow.
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1. True.or.False..When.performing.a.dilution.streak.a.new.(or.sterilized).loop.is.not.requi
red for each phase as long as the bacterial culture is pure.
. . . . . . . . . . .
Portage Learning BIOD 171 Final EXAM Questions and A . . . . . . . .
nswers 100%Correct2024-2025 Update . .