B io 201 Unit 2 Exam com plete
ver ifi ed solu tions + r ationales
(PASS GUARANTEED)
magnification - answer ratio between image size and actual size
light microscopy - answer uses white light
contrast - answer accentuating differences
methods used to enhance contrast - answer stains or dyes, change
optics, fluorescence, confocal adjustments, deconvolution (digital)
resolution - answer minimum distance between two points where they
can still be distinguished as two separate points
resolution and wavelength have what kind of relationship - answer
inverse
electrons provide better... - answer resolution
scanning - answer looking at surface
,transmission - answer slice object then get image
plasma membrane - answer phospholipid bilayer
what does a plasma membrane do? - answer it's a selective barrier that
protects the cell
a nucleus is found in what type of cell? - answer eukaryotes
DNA is found in what type of cell? - answer both eukaryotes and
prokaryotes
what does DNA look like in a eukaryotic cell? - answer chromosomes
what does DNA look like in a prokaryotic cell? - answer circular
organelles are found in what type of cell? - answer eukaryotic
this cell is primarily single cellular - answer prokaryotes
this cell is primarily multicellular - answer eukaryotes
, this cell is usually larger - answer eukaryotes
this cell is usually smaller - answer prokaryotes
cytoplasm is found in what type of cell? - answer both eukaryotes and
prokaryotes
plasma membrane is also called - answer cell wall
larger cells have what type of surface to volume ratio? - answer lower
smaller cells have what type of surface to volume ratio? - answer higher
what does a high surface to volume ratio mean? - answer it is easier to
bring in needed molecules
what does a low surface to volume ratio mean? - answer it is harder to
bring in needed molecules
ribosomes are found in what type of cell? - answer both eukaryotes and
prokaryotes
ver ifi ed solu tions + r ationales
(PASS GUARANTEED)
magnification - answer ratio between image size and actual size
light microscopy - answer uses white light
contrast - answer accentuating differences
methods used to enhance contrast - answer stains or dyes, change
optics, fluorescence, confocal adjustments, deconvolution (digital)
resolution - answer minimum distance between two points where they
can still be distinguished as two separate points
resolution and wavelength have what kind of relationship - answer
inverse
electrons provide better... - answer resolution
scanning - answer looking at surface
,transmission - answer slice object then get image
plasma membrane - answer phospholipid bilayer
what does a plasma membrane do? - answer it's a selective barrier that
protects the cell
a nucleus is found in what type of cell? - answer eukaryotes
DNA is found in what type of cell? - answer both eukaryotes and
prokaryotes
what does DNA look like in a eukaryotic cell? - answer chromosomes
what does DNA look like in a prokaryotic cell? - answer circular
organelles are found in what type of cell? - answer eukaryotic
this cell is primarily single cellular - answer prokaryotes
this cell is primarily multicellular - answer eukaryotes
, this cell is usually larger - answer eukaryotes
this cell is usually smaller - answer prokaryotes
cytoplasm is found in what type of cell? - answer both eukaryotes and
prokaryotes
plasma membrane is also called - answer cell wall
larger cells have what type of surface to volume ratio? - answer lower
smaller cells have what type of surface to volume ratio? - answer higher
what does a high surface to volume ratio mean? - answer it is easier to
bring in needed molecules
what does a low surface to volume ratio mean? - answer it is harder to
bring in needed molecules
ribosomes are found in what type of cell? - answer both eukaryotes and
prokaryotes
