BIOD 171 FINAL EXAM STUDY Questions With 100% Verified Answers
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Course
BIOD 171
Institution
BIOD 171
BIOD 171 FINAL EXAM STUDY Questions
With 100% Verified Answers
Microbiology is the study of what? - answerMicrobiology is the study of microbes
(microorganisms and viruses) and their biological processes.
What is the smallest biological unit of life - answercell
What is a macromolecule? - answ...
conditions such as high salt levels, acid conditions, high temperatures and oxygen-poor
conditions.
What are the four main classifications of Eukarya? - answer✔Eukaryotic microorganisms are
classified as either belonging to Animalia, Plantae, Fungi or Protista.
Can viruses be classified as either prokaryotic or eukaryotic? - answer✔No. Viruses are
considered neither prokaryotic nor eukaryotic. Viruses are not considered living and do not
replicate on their own, meaning they must replicate within a host.
The lipid bilayer of the plasma membrane is composed of what? - answer✔The cell membrane is
a bilayer composed primarily of amphipathic phospholipids, meaning they contain a polar
hydrophilic (water loving) head group and a non-polar hydrophobic (water fearing) tail region.
The lipid bilayer is situated in such a way where the non-polar tail groups face inward thus
orienting the polar head groups to interact with water both outside and inside of the cell.
What are the primary cellular organelles described in this module? Be sure to know the roles of
each. - answer✔Ribosomes (protein synthesis), ER (site of protein synthesis), Golgi (protein
modification and distribution), lysosomes (waste disposal), mitochondria (ATP generation) and
chloroplasts (plants only; site of photosynthesis).
What is cellular metabolism? - answer✔Metabolism is a controlled set of biochemical reactions
that occur in living organisms in order to maintain life.
What is the primary function of enzymes, and how are they regulated? - answer✔Enzymes speed
up chemical reactions. Most notably, the enzyme is not consumed during the reaction and can be
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