Golgi Apparatus Structure and Function

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What is the primary function of the cis face of the Golgi apparatus?

Generating vesicles for protein synthesis

Accumulating larger saccules for protein modification

Budding transport vesicles towards the cell membrane

Receiving newly synthesized proteins from the RER (correct)

Which protein is involved in the transport of Golgi vesicles from the ER to the Golgi?

ATP

COP 2 (correct)

Mitochondria

COP 1

What is the purpose of the saccules in the trans face of the Golgi apparatus?

Accumulating larger saccules for protein storage (correct)

Generating vesicles for protein synthesis

Modifying proteins through post-translational modifications

Budding transport vesicles towards the cytosol

What is the primary function of the mitochondria in the cell?

Energy formation through ATP production Signup and view all the answers

Which of the following organelles is NOT involved in protein synthesis?

Mitochondria Signup and view all the answers

What is the result of the interaction between the RER and the Golgi apparatus?

Modification of proteins through post-translational modifications Signup and view all the answers

What is the structural similarity among membranous organelles?

Membrane composition Signup and view all the answers

Which of the following is NOT a function of vesicles in the cell?

Energy production Signup and view all the answers

What is the primary function of Rough Endoplasmic Reticulum in terms of protein synthesis?

To glycosylate proteins not destined for the cytosol Signup and view all the answers

What is the role of the Signal Recognition Particle (SRP) in protein synthesis?

To recognize the initial signal peptide and direct it to the RER Signup and view all the answers

What is the site of phospholipid synthesis in a cell?

Smooth Endoplasmic Reticulum Signup and view all the answers

What is the result of the interaction between the ribosomal subunits and the mRNA during protein synthesis?

The movement of the ribosome to the RER Signup and view all the answers

What is the purpose of the cisterna in the Endoplasmic Reticulum?

To enclose a space for protein modification Signup and view all the answers

What is the role of the Golgi Apparatus in cellular transport?

To package and transport proteins to the cell membrane Signup and view all the answers

What is the function of the vesicles formed from the Golgi Apparatus?

To transport proteins to the cell membrane for exocytosis Signup and view all the answers

What is the result of the post-translational modification of proteins in the RER?

The modification of proteins through glycosylation Signup and view all the answers

Where does the receptor for SRP-fi 2 reside?

On the membrane of the RER Signup and view all the answers

What is the main function of the SER?

Phospholipid and steroid synthesis Signup and view all the answers

How do phospholipids transfer to other membranous structures?

Through vesicle transport or phospholipid transfer proteins Signup and view all the answers

What is the function of the Golgi apparatus?

Post-translational modifications Signup and view all the answers

Where are proteins stored before exocytosis?

In the pancreas Signup and view all the answers

What is the function of signal peptidase?

To remove the SRP Signup and view all the answers

What is the function of protein P450 in liver cells?

All of the above Signup and view all the answers

What is the function of the RER?

Protein synthesis and modification Signup and view all the answers

What is the function of the porin proteins in the outer mitochondrial membrane?

To transfer small molecules to the intermembrane space Signup and view all the answers

What is the main function of the mitochondrial matrix?

To generate energy for the cell Signup and view all the answers

What is unique about the phospholipids found in the mitochondrial inner membrane?

They are highly impermeable to ions Signup and view all the answers

What is the function of the thermogenin protein in the mitochondrial matrix?

To regulate body temperature Signup and view all the answers

What is the main function of the cisternae in the mitochondrial inner membrane?

To increase the surface area for ATP synthesis Signup and view all the answers

What is the function of the ATP synthase complexes in the mitochondrial inner membrane?

To generate energy for the cell Signup and view all the answers

What is the function of the multimeric protein complexes in the mitochondrial inner membrane?

To generate energy for the cell Signup and view all the answers

Where are most mitochondrial proteins synthesized?

In the cytoplasm Signup and view all the answers

What is the function of the mitochondrial outer membrane?

To transfer molecules to the intermembrane space Signup and view all the answers

What is the function of the intermembrane space?

To store small molecules for transfer to the mitochondrial matrix Signup and view all the answers

What is unique about the mitochondrial DNA compared to nuclear DNA?

It is circular in shape Signup and view all the answers

Golgi Apparatus Structure and Function

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Questions and Answers

What is the primary function of the cis face of the Golgi apparatus?

Which protein is involved in the transport of Golgi vesicles from the ER to the Golgi?

What is the purpose of the saccules in the trans face of the Golgi apparatus?

What is the primary function of the mitochondria in the cell?

Which of the following organelles is NOT involved in protein synthesis?

What is the result of the interaction between the RER and the Golgi apparatus?

What is the structural similarity among membranous organelles?

Which of the following is NOT a function of vesicles in the cell?

What is the primary function of Rough Endoplasmic Reticulum in terms of protein synthesis?

What is the role of the Signal Recognition Particle (SRP) in protein synthesis?

What is the site of phospholipid synthesis in a cell?

What is the result of the interaction between the ribosomal subunits and the mRNA during protein synthesis?

What is the purpose of the cisterna in the Endoplasmic Reticulum?

What is the role of the Golgi Apparatus in cellular transport?

What is the function of the vesicles formed from the Golgi Apparatus?

What is the result of the post-translational modification of proteins in the RER?

Where does the receptor for SRP-fi 2 reside?

What is the main function of the SER?

How do phospholipids transfer to other membranous structures?

What is the function of the Golgi apparatus?

Where are proteins stored before exocytosis?

What is the function of signal peptidase?

What is the function of protein P450 in liver cells?

What is the function of the RER?

What is the function of the porin proteins in the outer mitochondrial membrane?

What is the main function of the mitochondrial matrix?

What is unique about the phospholipids found in the mitochondrial inner membrane?

What is the function of the thermogenin protein in the mitochondrial matrix?

What is the main function of the cisternae in the mitochondrial inner membrane?

What is the function of the ATP synthase complexes in the mitochondrial inner membrane?

What is the function of the multimeric protein complexes in the mitochondrial inner membrane?

Where are most mitochondrial proteins synthesized?

What is the function of the mitochondrial outer membrane?

What is the function of the intermembrane space?

What is unique about the mitochondrial DNA compared to nuclear DNA?

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