Portage Learning BIOD 171 Final EXAM Questions and Answers 100%Correct

Portage Learning BIOD 171 Final EXAM Questions and qw qw qw qw qw qw qw qw




Answers 100%Correct2024-2025 Update qw qw




True or False: A virus is considered a microorganism.
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False. Viruses are not living and as such are not considered microorganisms. Viruses can, h
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owever, be classified as microbes, a more general term that includes microorganisms and
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w viruses.


1. What is the smallest biological unit of life? A
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cell.


2. At a generalized level, all cells are comprised of what? M
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acromolecules*
*A student may also answer: Proteins, Lipids, Nucleic acids and Polysaccharides but they
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must 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 ap
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ply.
A. Animalia

B. Plantae
C. Fungi

D. Protista q




A,B,C,D
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2. True of False: All multicellular microorganisms classified as Animalia are
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Portage Learning BIOD 171 Final EXAM Questions and qw qw qw qw qw qw qw qw




Answers 100%Correct2024-2025 Update qw qw

,Portage Learning BIOD 171 Final EXAM Questions and qw qw qw qw qw qw qw qw




Answers 100%Correct2024-2025 Update qw qw




heterotrophic.
True


3. Microorganisms classified as Plantae obtain most of their energy by converting qw qw qw qw qw qw qw qw qw qw




q w energy into qw qw




energy. q




Light (sunlight); chemical (sugars)
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1. Define catabolism. qw




Catabolism is the process of breaking down larger molecules into useful energy sources.
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2. Upon cellular injury, which metabolic process is involved during the growth and repai
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r phases of the cell? The anabolic process would be active as it (by definition) is involved
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in the building up of small complexes into larger complexes.
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1. In phosphorylation, the light reactions always occur where? T
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he process of converting light energy into chemical energy (pho
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tophosphorylation) always occurs in the membrane. qw qw qw qw qw




2. True or False: The Calvin cycle must occur in the absence of light.
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False. The term ‘dark reactions’ (also known as the Calvin Cycle) simply denotes the seco
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nd stage in photosynthesis—
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dark reactions do not actually require darkness in order to occur.
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Portage Learning BIOD 171 Final EXAM Questions and qw qw qw qw qw qw qw qw




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,Portage Learning BIOD 171 Final EXAM Questions and qw qw qw qw qw qw qw qw




Answers 100%Correct2024-2025 Update qw qw




1. Assuming a constant (non- qw qw qw




adjustable) light source power, identify the part of the microscope you would adjust t
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o limit the amount of light entering the microscope. Select all that apply.
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A. Objective
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B. Condenser
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C. Iris diaphragm
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D. Eye piece
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C. The iris controls the amount of light that passes through the sample and into the object
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ive 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
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objective and a 10x eyepiece? Show your math. qw qw qw qw qw qw qw




60 x 10 = 600x magnification
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Portage Learning BIOD 171 Final EXAM Questions and qw qw qw qw qw qw qw qw




Answers 100%Correct2024-2025 Update qw qw

, Portage Learning BIOD 171 Final EXAM Questions and qw qw qw qw qw qw qw qw




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1. Identify what type of electron microscope was used to capture the following im
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age and explain your choice.
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The image was captured using a Scanning Electron Microscope (SEM). The above imag
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e shows the trademark ‘shell’ image (no subcellular organelles are visible) reminisce
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nt of 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.
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False. LB agar is the most basic type of agar and like LB media supports the growth of v
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irtually 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 req
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uired for each phase as long as the bacterial culture is pure.
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Portage Learning BIOD 171 Final EXAM Questions and qw qw qw qw qw qw qw qw




Answers 100%Correct2024-2025 Update qw qw