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56 Cards in this Set

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What type of cell is the smallest cell?
red blood cell
what type of cell is the largest cell?
female ova
cell shapes are....
highly varied
The smallest cell is x of a micrometer
7.5
the smallest cell measures
7.5 micrometers or 1/1000 of a millimeter
The cell is the
smallest self sufficient thing
scanning electron microscopes see in
three dimension
The Plasma or cytoplasmic memberane is
the outer limit of the cell
the membrane contains what type of heads and what kind of tails?
hydrophylic heads ad hydrophobic tails
center of the cell is called
nucleus
hydrophilic
water friend
hydrophobic
no water
the nucleous is covered by the
nuclear membrane
proteins in the plasma membrane do what?
identify what needs to go in and what needs to out of the cell
what holds the cell wall together?
cholesterol
cytoplasm is
the living matter within cells
organelles are
the cells tiny organs
protoplasm means
before living matter
The nucleus is
the round body in the center of the cell enclosed by a nuclear membrane.
The nuclear membrane contains
DNA
DNA contains
chromatin threads or chromosomes
The function of DNA dictates
what proteins are made
Ribosomes function is to
produce protein
Endoplasmic reticulum is
the network inside the cell
mitochondria are
tiny sacs with convuluted walls and are the power plants for cells making ATP/energy
The golgi apparatus are
membranous vessicles near the cell wall that synthesize carbs and make all bodily secretions
lysosomes are
microscopic membranous sacs that serve as the cells digestive system
centrioles function is to
make spindle fibers
cillia are
hair like projections that move fluid around it
flagellum are
whip like projections off the cell and move the cell
DNA is
The blueprint for the cell
RNA is
A copy of the blueprint (DNA)
Stages of mitosis are:
I Past My Anatomy Test
Interphase
Prophase
Metaphase
anaphase
telephase
During interphase the cell is
living only
During prophase
Dna chromatin shorten, thicken and change to chromosomes
We have how many chromosomes
23 pairs
During prophase what moves to opposite poles of the cell?
centrioles
During prohase what dissolves?
organelles and nuclear membrane
a centromere holds how many chromosocmes together?
2
The spindle fibers appear and pull chromosomes apart during what phase?
prophase
metaphase is when chromosomes
center align
anaphase is the stage when each centromere does what and begins to be pulled to opposite poles by what?
divides, spindle fibers
centrioles are located
near the nucleus
In telephase everything
reverses and comes back together as a cell, returns to interphase, organelles reappear
Fusion
moving from a higher concentration to a lower concentration
osmosis
is diffusion of water thru a membrane
filtration
shoving water thu the membrane using pressure
filtration, osmosis and fusion require no...
energy
active transport refers to
the use of cellular energy to move materials into the cell
phagocytosis is when
large particls are invaginated nu the cell wall
pinocytosis is when the cell membrane
engulfs droplets of fluid
the cell membrane is what, which means it regulates what can enter and leave the cell
selectively permeable
Ribosomes are
microscopic spheres composed of RNA and Protein
centrioles are located near where and are composed of what?
the nucleus and are tiny cylinders composed of microtubules
The endoplasmic reticulum is a network of
canals that extend thru the cytoplasm
The endoplasmic reticulum's function is to
be the circulatory system of the cell