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Bio 181 Final Exam Study Guide (nau) Questions with 100% correct Answers
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Bio 181 Final Exam Study Guide (nau)Questions with 100% correct Answers
actin filament - ✔️✔️>smallest (6-8 nm)
>long spiral chains
>near plasma membrane
> cell shape and strength
> muscle contraction
> intracellular movement
> cell movement
endomembrane system - ✔️✔️lysosomes, er, and golgi apparatus
lysosomes - ✔️✔️digestive enzymes
membranous sac of hydrolytic enzymes that is used to digest macromolecules (the enzymes are
made from rough ER and processed in golgi apparatus).
lysosomes fuse with food vacuoles so the enzymes can break the macromolecules into
monomers
endoplasmic reticulum - ✔️✔️>extensive closed membrane system
>flattened tube like structure filled with cisternae
>near nucleus er combines with the outer nuclear membrane
rough ER - ✔️✔️>ribosomes on outside
> membrane protein still synthesized
smooth ER - ✔️✔️>contain enzymes
, > involved in lipid synthesis
> lipids and proteins transported to vesicle
golgi apparatus - ✔️✔️> flattened membranes
> molecular assembly line
> proteins undergo modification
lumen - ✔️✔️> inside space of a tubular structure
>the inside space of a cellular component or structure, such as the endoplasmic reticulum
vacuole - ✔️✔️>plants (central vacuole)
>dissolve molecules,storage,regulation or cell volume
peroxisomes - ✔️✔️>eukaryotes
>metabolism of fatty acids
>harbor enzymes that get rid of toxic peroxides
semiautonomous - ✔️✔️regulates its own division
purines - ✔️✔️adenine and guanine
Phosphodiester - ✔️✔️A bond has been formed in a nucleotide sequence between the hydroxyl
group of a 3'
carbon and the phosphate group on the 5' carbon of an adjacent molecule
monomer - ✔️✔️small chemical unit that makes up a polymer (1)
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