Term
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Definition
| gives the cell mechanical strength |
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Term
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Definition
| made of tubulin. forms rigid tubes within cells. largest of the three 25 nm. serves as tracks along which other cell components can move eg. vesicles, organelles, chromosomes |
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Term
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Definition
| made of actin. two intertwined strands. flexible, thin 7nm. function, serves as rope or cable holding parts together. amoeba. muscle contraction. cell division |
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Term
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Definition
several types of prot. keratin. fibers wound together. 10 nm. fixed.
function, cell shape, anchor some organelles |
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Term
| molecular motors interact with the cytoskeleton |
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Definition
kinesin and dynein move along microtubules
3 parts.
head-walks alon mt. uses atp
stalk-connect to cargo
tail-binds cargo such as a vesicle |
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Term
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Definition
| one end fixed to one set of me. other walks along another mt |
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Term
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Definition
| similar in function. head walks along actin fiber. uses atp. stalk connect to something fixed, like a part of muscle fiber |
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Term
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Definition
bacterial flagella are diff.
Eucaryotic flagella and cilia are similar.
flagella are bundles of m.t. cynein causes one set of mt to move along another. whole bundle will bend. line parts of resp and circ. |
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Term
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Definition
synthesis and breakdown of biomolecules.
glycolysis, Krebs cycle and o.p.
produces atp.
produces basic building blocks |
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Term
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Definition
C6H12O6 + 6O2---> 6CO2 + 6H2O.
DG = -686 kcal per mole |
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Term
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Definition
| most used energy. pumps are atpases. molecular motors, polymer syn. uses atp |
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Term
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Definition
| [image] ribose + adenine + 3 phosphates.
removal of terminal phos. releases ener. |
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Term
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Definition
| carries two high energy e-.
NADH--->NAD+ 2E- + H+[image] |
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Term
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Definition
occurs in enzymes in cytosol
10 enz. 10 steps.
make atp |
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