Intracellular Compartments ER, Golgi, Endsomes, Lysosomes and Peroxisomes.

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Intracellular Intracellular CompartmentsCompartments

ER, Golgi, Endsomes, ER, Golgi, Endsomes, Lysosomes and PeroxisomesLysosomes and Peroxisomes

Endomembrane SystemEndomembrane System

Endoplasmic ReticulumEndoplasmic Reticulum

Of what does the endoplasmic Of what does the endoplasmic reticulum consist?reticulum consist?

What distinguishes the rough ER What distinguishes the rough ER from the smooth ER?from the smooth ER?

Endoplasmic ReticulumEndoplasmic Reticulum

How do ER membranes compare with How do ER membranes compare with the plasma membrane?the plasma membrane?

Endoplasmic ReticulumEndoplasmic Reticulum

What cellular What cellular processes take processes take place in the place in the smooth ER?smooth ER?

What is aryl What is aryl hydrocarbon hydrocarbon hydroxylase?hydroxylase?

Endoplasmic ReticulumEndoplasmic Reticulum

What is the fate of proteins made on What is the fate of proteins made on the RER?the RER?

What happens to proteins before What happens to proteins before they leave the ER?they leave the ER?

Endoplasmic ReticulumEndoplasmic Reticulum

What else takes place in the ER?What else takes place in the ER?

How do newly made phospholipids How do newly made phospholipids get to other cell organelles?get to other cell organelles?

Golgi ComplexGolgi Complex

Of what does the Of what does the Golgi consist?Golgi consist?

Golgi ComplexGolgi Complex

How do the Golgi membranes How do the Golgi membranes compare with those of the ER?compare with those of the ER?

What enzymes are associated with What enzymes are associated with this organelle?this organelle?

How are the different vesicles How are the different vesicles associated with Golgi distinguished?associated with Golgi distinguished?

Golgi ComplexGolgi Complex

What two models describe the flow of What two models describe the flow of lipids and proteins through the Golgi lipids and proteins through the Golgi complex?complex?

How do anterograde transport differ How do anterograde transport differ from retrograde transport?from retrograde transport?

Golgi ComplexGolgi Complex

What is glycosylation?What is glycosylation?

What are the two forms of What are the two forms of glycosylation?glycosylation?

Golgi ComplexGolgi Complex

How does How does glycosylation take glycosylation take place?place? begins in ERbegins in ER continues in Golgicontinues in Golgi

Protein SortingProtein Sorting

How are proteins sorted as they move How are proteins sorted as they move through ER and Golgi?through ER and Golgi?

Protein SortingProtein Sorting

How are lysosomal How are lysosomal enzymes targeted?enzymes targeted?

How do we know How do we know

this proposed this proposed pathway is valid?pathway is valid?

Protein SortingProtein Sorting

What evidence supports secretory pathway?What evidence supports secretory pathway?

Protein SortingProtein Sorting

Protein SortingProtein Sorting

What is the difference between What is the difference between constitutive and regulated secretion?constitutive and regulated secretion?

Exocytosis and EndocytosisExocytosis and Endocytosis

What is involved in What is involved in exocytosis?exocytosis?

What appears to What appears to trigger this trigger this process?process?

Exocytosis and EndocytosisExocytosis and Endocytosis

What is involved in What is involved in endocytosis?endocytosis?

What happens to What happens to endocytic vesicles?endocytic vesicles?

Exocytosis and EndocytosisExocytosis and Endocytosis

What are the three forms of What are the three forms of endocytosis?endocytosis?

PhagocytosisPhagocytosis

What kinds of cells What kinds of cells carry out carry out phagocytosis?phagocytosis?

Receptor-Mediated Receptor-Mediated EndocytosisEndocytosis

How is this process different from phagocytosis?How is this process different from phagocytosis?

Clathrin-Independent Clathrin-Independent EndocytosisEndocytosis

What function does this process What function does this process appear to serve?appear to serve?

LysosomesLysosomes

What are some of the characteristics of What are some of the characteristics of these organelles?these organelles?

LysosomesLysosomes

How are these How are these organelles formed?organelles formed?

What functions do What functions do they serve?they serve?

LysosomesLysosomes

What is the difference between an What is the difference between an early endosome, a late endosome early endosome, a late endosome and a lysosome?and a lysosome?

Do all late endosomes become Do all late endosomes become lysosomes?lysosomes?

LysosomesLysosomes

In what way do lysosomes play key In what way do lysosomes play key roles in both cell defense and roles in both cell defense and nutrition?nutrition?

What are residual bodies?What are residual bodies?

What is the difference between What is the difference between autophagy and autolysis?autophagy and autolysis?

LysosomesLysosomes

Under what conditions are lysosomal Under what conditions are lysosomal enzymes released outside of the cell?enzymes released outside of the cell?

What causes lysosomal storage What causes lysosomal storage diseases?diseases?

PeroxisomesPeroxisomes

What technique enabled DeDuve to What technique enabled DeDuve to successfully isolate these organelles?successfully isolate these organelles?

PeroxisomesPeroxisomes

What are some of the distinguishing What are some of the distinguishing characteristics of this organelle?characteristics of this organelle?

How are they identified How are they identified cytochemically?cytochemically?

What functions are associated with What functions are associated with peroxisomes?peroxisomes?

PeroxisomesPeroxisomes

Why does hydrogen peroxide Why does hydrogen peroxide accumulate in these organelles?accumulate in these organelles?

In what way does this organelles In what way does this organelles contribute to fatty acid oxidation?contribute to fatty acid oxidation?

From where do these organelles From where do these organelles come?come?

PeroxisomesPeroxisomes

What types of unusual peroxisomes What types of unusual peroxisomes are found in plants?are found in plants?

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