17 Questions
What is the primary function of the rough endoplasmic reticulum?
To synthesize and modify proteins
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?
Golgi apparatus
What is the primary difference between the smooth and rough endoplasmic reticulum?
The rough ER contains ribosomes, the smooth ER does not
Which of the following is a key structural difference between prokaryotic and eukaryotic cells?
All of the above
Which organelle is responsible for the final step of protein synthesis, where the polypeptide chain is assembled?
Ribosome
What is the primary function of the cell membrane?
To regulate the movement of materials in and out of the cell
Which of the following is a key difference between prokaryotic and eukaryotic cells?
Eukaryotes have membrane-bound organelles, while prokaryotes do not
What is the primary function of the endoplasmic reticulum (ER)?
To store and transport materials within the cell
Where are ribosomes located in eukaryotic cells?
Some are attached to the endoplasmic reticulum, and some are free in the cytoplasm
What is the primary function of the nucleus in a eukaryotic cell?
To store and regulate the cell's genetic information
Which of the following is a characteristic of prokaryotic cells?
Presence of a true nucleus
What is the function of the rough endoplasmic reticulum in eukaryotic cells?
Assisting in protein synthesis
Which organelle contains DNA in eukaryotic cells?
Nucleus
What is the main role of the cell membrane in all cells?
Controlling what enters and exits the cell
In eukaryotic cells, where are many ribosomes found?
Attached to the rough endoplasmic reticulum
Which statement about ribosomes is true?
Some ribosomes are free and not attached to any membrane.
What is the function of the nuclear envelope in eukaryotic cells?
Maintaining cell shape
Learn about the nucleus and rough endoplasmic reticulum as organelles in an animal cell, and explore the structure and functions of the cell membrane. Understand how cell membranes are composed of phospholipid layers, contain protein channels, receptors, and other proteins.
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