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