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Animal Cell Organelles and Cell Membrane Structure

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Animal Cell Organelles and Cell Membrane Structure

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Questions and Answers

What is the primary function of the rough endoplasmic reticulum?

To transport vesicles to the Golgi apparatus

To store calcium ions

To synthesize and modify proteins (correct)

To produce lipids

Which of the following organelles is responsible for the final processing and packaging of proteins before they are transported to their destination within the cell?

Lysosome

Nucleus

Golgi apparatus (correct)

Smooth endoplasmic reticulum

What is the primary difference between the smooth and rough endoplasmic reticulum?

The rough ER contains ribosomes, the smooth ER does not (correct)

The smooth ER synthesizes proteins, the rough ER synthesizes lipids

The rough ER is more abundant in eukaryotic cells

The smooth ER has a higher surface area

Which of the following is a key structural difference between prokaryotic and eukaryotic cells?

All of the above (D) Signup and view all the answers

Which organelle is responsible for the final step of protein synthesis, where the polypeptide chain is assembled?

Ribosome (A) Signup and view all the answers

What is the primary function of the cell membrane?

To regulate the movement of materials in and out of the cell (D) Signup and view all the answers

Which of the following is a key difference between prokaryotic and eukaryotic cells?

Eukaryotes have membrane-bound organelles, while prokaryotes do not (D) Signup and view all the answers

What is the primary function of the endoplasmic reticulum (ER)?

To store and transport materials within the cell (D) Signup and view all the answers

Where are ribosomes located in eukaryotic cells?

Some are attached to the endoplasmic reticulum, and some are free in the cytoplasm (B) Signup and view all the answers

What is the primary function of the nucleus in a eukaryotic cell?

To store and regulate the cell's genetic information (B) Signup and view all the answers

Which of the following is a characteristic of prokaryotic cells?

Presence of a true nucleus (B) Signup and view all the answers

What is the function of the rough endoplasmic reticulum in eukaryotic cells?

Assisting in protein synthesis (C) Signup and view all the answers

Which organelle contains DNA in eukaryotic cells?

Nucleus (B) Signup and view all the answers

What is the main role of the cell membrane in all cells?

Controlling what enters and exits the cell (A) Signup and view all the answers

In eukaryotic cells, where are many ribosomes found?

Attached to the rough endoplasmic reticulum (C) Signup and view all the answers

Which statement about ribosomes is true?

Some ribosomes are free and not attached to any membrane. (B) Signup and view all the answers

What is the function of the nuclear envelope in eukaryotic cells?

Maintaining cell shape (C) Signup and view all the answers