ch 8 bio jeopardy cards
Terms
undefined, object
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movement of materials in and out of the cell is controlled by the
cytoplasm or cell membrane - cell membrane
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The scientist who first described living cells as seen under the microscope was:
a van leewenhook
b schielden
c hooke
d schwann - c hooke
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In a typical animal cell, the cytoplasm occupies
a almost all the volume
b a little more than 1/2 the volume
c 1/4 of the volume
d a very small part of the volume - a almost all the volume
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Each of the following is a main idea of the cell theory except:
a all organisms are composed of cells
b the cell is the basic nit of life
c all cells are similar in structure and function
d all cells ceme from pre-existing cells - c all cells are similar in structure and function
- the folded system of membranes that forms a network of interconnected compartments inside the cell is the __________________
- endoplasmic reticulum or ER
- In a cell, the tangles of long strands of DNA form the ______________
- chromatin
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In a cell, the breakdown of molecules in order to release energy occurs in the
mitochondria or golgi - mitochondria
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organisms that have cells that contain organelles
a prokaryote
b eukaryote - b eukaryotes
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this cell type is generally found in multi cellular organisms
a prokaryote
b eukaryote - a prokaryotes
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short hairlike projections used for locomotion are
cilia or flagella - flagella
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In a cell, the sites of protein synthesis are the
ribosomes or nucleolus - ribosomes
- the functions of a cukaryotic cell are managed by the _________
- nucleus
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which of the following structures is the most complex?
a cell
b organ system
c organ
d tissue - b organ system
- the network of tiny rods and filaments that form a framework for the cell is called the ___________
- cytoskeleton
- cell walls of plants are composed mainly of __________
- cellulose
- this structure is not found in animal cells
- cell wall, chloroplast
- the pigment that gives green plants their green color is _____________
- chlorophyll
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cells that have the same function are organized into
tissues or organs - tissues
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One advantage os electron microscopes over light microscopes is their
a size
b 2-d image
c higher maginfication
d use of live specimens - c higher magnification
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cell structures that contain digestive enzymes are
plastids or lysosomes - lysosomes
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in a chloroplast the stacks of membranous stacks are called
a stroma
b plastids
c grana
d thylakoid membrane - d thylakoid membrane
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this scientist concluded that all plants are composed of cells
a schielden
b schwann
c hooke
d leewenhooke - a schielden
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scientists discovered ____ years ago that cells have a cytoskeleton
A 200
B 20
C 2
D 2000 - 20
- t/f microtubules of the cytoskeleton are thin, hollow, cylinders made of protein
- true
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the first scientist who described living things through a microscope was ____________
A schielden
b schwann
c hook
d leweenhook - hooke
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this scientist concluded that all animals are composed of cells
a schielden
b schwann
c hooke
d leewenhooke - b schwann
- the microscope type that allowed scientists to view cells more closely, relatively new technology
- Electron microscope
- this object uses 2 or more glass lenses to magnify cells
- compound light microscope
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organisms with a cell that lack internal structure
a prokaryote
b eukaryote - a prokaryote
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this cell type does not have a true nucleus
a prokaryote
b eukaryote - a prokaryote
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this cell type is usually found in unicellular organisms
a prokaryote
b eukaryote - b prokaryote
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If a cell contains a nucleus, it must be a
a plant cell
b eukaryotic cell
c animal cell
d prokaryotic cell - b eukaryotic cell
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the term least closely related to the others is:
a cytoskeleton
b microtubule
c microfilament
d cell juncture - d cell juncture