JMU BIO 150 EXAM QUESTIONS WITH
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ANSWERS
What are the characteristics unique to eukaryotes? -
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CORRECT ANSWERS ✔✔-larger cell size |\ |\ |\ |\ |\
-cytoskeleton and inner membrane system |\ |\ |\ |\ |\
-organelles
-nucleus and linear dna |\ |\ |\ |\
-sexual reproduction |\ |\
-multicellularity
What are characteristics of simple multicellularity? -
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CORRECT ANSWERS ✔✔-comprised of similar cells with
|\ |\ |\ |\ |\ |\ |\
little interdependence
|\ |\
-most cells are in contact with environment
|\ |\ |\ |\ |\ |\
-each cell can perform all the cellular functions needed to
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
survive and reproduce |\ |\
What are characteristics of complex multicellularity? -
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CORRECT ANSWERS ✔✔-different functions that depend
|\ |\ |\ |\ |\ |\
on each other to survive
|\ |\ |\ |\ |\
-specialize cells carry out specific functions |\ |\ |\ |\ |\ |\
-cannot survive independently
|\ |\
,What are the main advantages of multicullularity? -
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CORRECT ANSWERS ✔✔-multicellular organisms are
|\ |\ |\ |\ |\
bigger
-multicellular organism usually demonstrate cell
|\ |\ |\ |\ |\
differentiation, which allows for specialized cells that
|\ |\ |\ |\ |\ |\ |\
perform specialized functions
|\ |\
What are issues with complex multicellularity? - CORRECT
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ANSWERS ✔✔-cell coordination
|\ |\ |\ |\
-cell specialization
|\ |\
-nutrients/waste
What adaptations are used for cell coordination? -
|\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔-adhesion between cells
|\ |\ |\ |\ |\
-communication between cells |\ |\ |\
-genetic programming cell differentiation
|\ |\ |\
What adaptations are used for cell specialization? -
|\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔genetic programming cell
|\ |\ |\ |\ |\
differentiation
What adaptations are used for nutrients and waste in
|\ |\ |\ |\ |\ |\ |\ |\ |\
complex multicellularity? - CORRECT ANSWERS
|\ |\ |\ |\ |\
, ✔✔internal transport of nutrients and wastes to and from |\ |\ |\ |\ |\ |\ |\ |\ |\
each cell (bulk flow)
|\ |\ |\
Animals use what type of communication between cells? -
|\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔gap junctions
|\ |\ |\ |\
Plants cells use what type of cell communication? -
|\ |\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔plasmodesmata |\ |\
What are the levels of cell differentiation? - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔-zygote |\ |\
-differentiation occurs |\
-tissues
-organs
-organ systems |\
Define bulk flow - CORRECT ANSWERS ✔✔any means by
|\ |\ |\ |\ |\ |\ |\ |\ |\
which molecules move through organisms at rates
|\ |\ |\ |\ |\ |\ |\
beyond those possible by diffusion across a gradient
|\ |\ |\ |\ |\ |\ |\
Define xylem - CORRECT ANSWERS ✔✔the vascular tissue
|\ |\ |\ |\ |\ |\ |\
in plants that conducts water and dissolved nutrients
|\ |\ |\ |\ |\ |\ |\ |\ |\
upward from the root and also helps to form the woody
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
element in the stem. |\ |\ |\
|\ |\ |\ |\ |\ |\
ANSWERS
What are the characteristics unique to eukaryotes? -
|\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔-larger cell size |\ |\ |\ |\ |\
-cytoskeleton and inner membrane system |\ |\ |\ |\ |\
-organelles
-nucleus and linear dna |\ |\ |\ |\
-sexual reproduction |\ |\
-multicellularity
What are characteristics of simple multicellularity? -
|\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔-comprised of similar cells with
|\ |\ |\ |\ |\ |\ |\
little interdependence
|\ |\
-most cells are in contact with environment
|\ |\ |\ |\ |\ |\
-each cell can perform all the cellular functions needed to
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
survive and reproduce |\ |\
What are characteristics of complex multicellularity? -
|\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔-different functions that depend
|\ |\ |\ |\ |\ |\
on each other to survive
|\ |\ |\ |\ |\
-specialize cells carry out specific functions |\ |\ |\ |\ |\ |\
-cannot survive independently
|\ |\
,What are the main advantages of multicullularity? -
|\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔-multicellular organisms are
|\ |\ |\ |\ |\
bigger
-multicellular organism usually demonstrate cell
|\ |\ |\ |\ |\
differentiation, which allows for specialized cells that
|\ |\ |\ |\ |\ |\ |\
perform specialized functions
|\ |\
What are issues with complex multicellularity? - CORRECT
|\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔-cell coordination
|\ |\ |\ |\
-cell specialization
|\ |\
-nutrients/waste
What adaptations are used for cell coordination? -
|\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔-adhesion between cells
|\ |\ |\ |\ |\
-communication between cells |\ |\ |\
-genetic programming cell differentiation
|\ |\ |\
What adaptations are used for cell specialization? -
|\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔genetic programming cell
|\ |\ |\ |\ |\
differentiation
What adaptations are used for nutrients and waste in
|\ |\ |\ |\ |\ |\ |\ |\ |\
complex multicellularity? - CORRECT ANSWERS
|\ |\ |\ |\ |\
, ✔✔internal transport of nutrients and wastes to and from |\ |\ |\ |\ |\ |\ |\ |\ |\
each cell (bulk flow)
|\ |\ |\
Animals use what type of communication between cells? -
|\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔gap junctions
|\ |\ |\ |\
Plants cells use what type of cell communication? -
|\ |\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔plasmodesmata |\ |\
What are the levels of cell differentiation? - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔-zygote |\ |\
-differentiation occurs |\
-tissues
-organs
-organ systems |\
Define bulk flow - CORRECT ANSWERS ✔✔any means by
|\ |\ |\ |\ |\ |\ |\ |\ |\
which molecules move through organisms at rates
|\ |\ |\ |\ |\ |\ |\
beyond those possible by diffusion across a gradient
|\ |\ |\ |\ |\ |\ |\
Define xylem - CORRECT ANSWERS ✔✔the vascular tissue
|\ |\ |\ |\ |\ |\ |\
in plants that conducts water and dissolved nutrients
|\ |\ |\ |\ |\ |\ |\ |\ |\
upward from the root and also helps to form the woody
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
element in the stem. |\ |\ |\
